Believe in yourself and all that you are. Know that there ... · 8 B20 Aruhan (bil lilitan) 5 C20...

Believe in yourself and all that you are. Know that there is something inside you

that greater than any obstacle. Christian D. Larson

Miracles happen everyday

NAME :………………………………………………………………

CLASS :……………………………………………………………...

TEACHER’S NAME :………………………………………………………………

Awesome physics with tcer Alina@UKM(RAJABIO) 2

ANALISIS PHYSICS PAPER 2 (SPM)

SUMBER TAHUN NO. SOALAN BAHAGIAN TOPIK/SOALAN

SPM

2018

1 A4 Pembaris 2 A5 Impuls 9 A6 Diod , OSK 4 A7 Keseimbangan terma 3 A8 Tekanan cecair 6 A8 Kelansingan, kenyaringan 5 A10 Cermin cembung 7 A12 Faktor mempengaruhi R 2 B20 Bot 8 B20 Aruhan, Lenz, penjana at 4 C20 Tekanan dlm laut, Boyle’s law

10 C20 Radioisotop paip bocor, reaktor model

2017

4 A4 Suhu mutlak 3 A5 Bernoulli 9 A6 Logik gate

10 A7 Radioisotop 5 A8 Kanta cembung 6 A8 Properties of wave 2 A10 Keabadian tenaga 8 A12 Transformer 4 B20 Keseimbangan terma 7 B20 R dan medan elektrik 3 C20 Tekanan cecai, hidraulik 9 C20 Transistor sebagai amplifier

2016

2 A4 Pita detik 6 A5 Pembiasan air

10 A6 Half life 9 A7 Palang maltese 2 A8 Daya paduan, mengira a 6 A8 Interferens bunyi 5 A10 TIR in prism, reflector 4 A12 Kejituan termometer 3 B20 Buoyant force dan hot air balloon 8 B20 Aruhan, dinamo, transformer 2 C20 Roket, momentum, jet 7 C20 Tenaga elektrik


2015

9 A4 Diod sbg rektifier 2 A5 Net force

10 A6 Fission, E=mc2 4 A7 Q=ml 5 A8 U,v dan f 6 A8 Pembiasan air 2 A10 Graf s-t 7 A12 Cas, medan letrik 3 B20 Bernoulli 8 B20 Aruhan (bil lilitan) 5 C20 Mirror, kanta cembung 9 C20 Transistor sbg suis

2014

8 A4 Elektromagnet 3 A5 Barometer 6 A6 Properties of wave 2 A7 Daya paduan 4 A8 Boyle

10 A8 Pereputan 7 A10 Model transmission 5 A12 Kanta cembung, mikroskop 4 B20 Bayu laut, radiator 7 B20 Reostat, kaitan R-l 2 C20 Daya, fast train 6 C20 Ultrasonic

2013

1 A4 Termometer 3 A5 Buoyant force 9 A6 Pancaran termion, sinar katod

10 A7 Pereputan, tenaga nuklear 5 A8 Dalam nyata dalam ketara 6 A8 Properties of wave 2 A10 Spring dan faktor mempengaruhi K 8 A12 Medan magnet, motor dc 4 B20 Boyle law, keep the house cool 7 B20 Cas, kaitan R dengan l 3 C20 Bentuk aerofoil, bernoulli (spray) 9 C20 Rektifikasi separuh, transistor, get logik


2012

1 A4 Angkup vernier 6 A5 Properties of wave

10 A6 Reputan dan tenaga nuklear 9 A7 Transistor 2 A8 Momentum 8 A8 Medan magnet 5 A10 Indeks biasan, pembiasan 4 A12 Muatan haba tentu kuali 3 B20 Barometer, tekanan atm, vakum

6 B20 Biasan gelombang bunyi, sistem komunikasi satelit

2 C20 Impuls golf, tegangan tali bendera, perubahan tenaga

7 C20 Heating element, rintangan.

2011

2 A4 Pita detik 8 A5 Transformer

10 A6 Iodine 131, decay 6 A7 Pelembapan 4 A8 Hukum tekanan 7 A8 Rintangan setara 9 A10 Get logik 5 A12 Binokular, Pantulan dalam penuh 2 B20 Stroboskop, daya impuls karate 8 B20 Elektromagnet, karate(daya impuls) 3 C20 Hidraulik jack, brek

10 C20 Runut kebuk awan, radioisotop serapan baja, tenaga nuklear

The past cannot be changed. The future is yet in your power.

Thinking across the spectrum Be amazing and awesome

Proud to be yourself *sumber : https://latihanfizik.blogspot.com/2019/07/indeks-soalan-fizik-spm-dan-trial.html


ANALISIS PHYSICS PAPER 3

(SPM)

TAHUN SECTION A SECTION B NO. 1 NO. 2 NO. 3 NO. 4

2008 SIMPLE PENDULUM

F=ma (acceleration +

height)

PRESSURE

ELECTROMAGNETISM

(force)

2009 VOLUME (buoyant force)

INTERFERENCE OF WATER WAVE HOOKE’S LAW

ELECTROMAGNETIC INDUCTION

(current + no. of pin attracted)

2010 MEASUREMENT (Vernier callipers)

INTERFERENCE OF LIGHT WAVE

F=ma (acceleration +

mass)


(no. of turns + no. of pin attracted)

2011 BUOYANT FORCE (weight) PRESSURE LAW LENS

(u and v) INTERFERENCE OF

WATER WAVE

2012 INTERFERENCE OF LIGHT WAVE

BUOYANT FORCE BOYLE’S LAW ELECTRICITY

(R + diameter)

2013 MEASUREMENT (micrometre screw

gauge) SNELL’S LAW

PRESSURE IN LIQUID (depth)

REFRACTION (water wave)

2014 OHM’S LAW HOOKE’S LAW BUOYANT FORCE ELECTROMAGNETISM (force)

2015 REFRACTION

(real + apparent depth)

LENS (u and v) INERTIA ELECTRICITY

(R + diameter)

2016 HOOKE’S LAW TRANSFORMER BOYLE’S LAW


(no. of turns + no. of pin attracted)

2017 PRESSURE IN

LIQUID (density)

FACTOR EFFECTS RESISTANCE

(R & I) HOOKE’S LAW POWER & CURRENT

2018 INERTIA

(spring=mass + period)

v2 against h CHARLES’ LAW STRENGTH OF

ELECTROMAGNET (no. of turns + no. of pin

attracted)

2019

Seriously soalannya mudah !!!! ;)

FPA

=


Section A Bahagian A

[60 marks] [60 markah]

Answer all questions in this section. Jawab semua soalan dalam bahagian ini.

1. Diagram 1.1 shows part of an instrument that can be used to measure the diameter of a 50 sen coin.

Rajah 1.1 menunjukkan sebahagian daripada sebuah alat pengukur yang digunakan untuk mengukur diameter duit syiling 50 sen.

Diagram 1.1 / Rajah 1.1 Diagram 1.2 / Rajah 1.2

(a) Name the measuring instrument. Namakan alat pengukur itu. …………………………………………………………………………………………

[1 mark / 1 markah]

(b) What type of error is shown by the instrument? Apakah jenis ralat yang ditunjukkan oleh alat? …………………………………………………………………………………………

[1 mark / 1 markah]

(c) Diagram 1.2 shows the scales of the instrument when the 50 sen coin is measured. Determine the actual diameter of the 50 sen coin. Rajah 1.2 menunjukkan skala alat di atas bila duit syiling 50 sen diukur. Tentukan diameter sebenar duit syiling 50 sen itu.

[2 marks / 2 markah]

TOTAL / JUMLAH 4 marks / 4 markah


2. Diagram 2 shows a car traveling on a horizontal road. Rajah 2 menunjukkan sebuah kereta bergerak di jalan raya mendatar.

Diagram 2 / Rajah 2

The car has a mass of 1000 kg. At a certain moment in its motion, the frictional force between the car and the road is 500N and its acceleration then is 2 ms-2. Kereta itu mempunyai jisim 1000 kg. Pada suatu ketika tertentu semasa pergerakannya, geseran antara kereta dan jalan raya ialah 500N dan pecutan kereta ialah 2 ms-2.

(a) What is the meaning of frictional force? Apakah maksud dengan daya geseran? …………………………………………………………………………………………

[1 mark / 1 markah]

(b) What is the net force acting on the car? Apakah daya bersih yang bertindak ke atas kereta tersebut?



(c) Other than frictional force, what other force do you think acts on the car as it is moving? Selain daripada geseran, apakah daya lain yang anda fikir bertindak ke atas kereta yang bergerak itu? …………………………………………………………………………………………

[1 mark / 1 markah]

(d) Describe the movement of the car if it accelerates at 0 ms-2. Jelaskan pergerakan kereta tersebut jika ianya memecut pada 0 ms-2. …………………………………………………………………………………………

[1 mark / 1 markah]



3. Diagram 3 shows the cross-sectional the hydraulic brake system of the car. Rajah 3 menunjukkan keratan rentas sistem brek hidraulik bagi sebuah kereta.

Diagram 3 / Rajah 3

(a) (i) Name the physics principle involved in this hydraulic system.

Namakan prinsip fizik yang terlibat dalam sistem hidraulik ini. ………………………………………………………………………………………...

[1 mark / 1 markah]

(ii) Explain why this brake system is less efficient if there is air bubble trapped in the brake tube. Terangkan mengapa sistem brek in kurang berkesan jika terdapat gelembung udara terperangkap di dalam salur brek. ………………………………………………………………………………………...

[1 mark / 1 markah]

(b) A force of 15 N is exerted on the brake pedal. The cross-sectional area master piston, front brake cylinder and rear brake cylinder are 5.2 × 10-4 m2, 6.2 × 10-4 m2 and 5.8 × 10-4 m2 respectively. Satu daya 15 N dikenakan kepada pedal brek. Luas keratan rentas silinder utama,silinder brek hadapan dan silinder brek belakang adalah 5.2 × 10-4 m2, 6.2 × 10-4 m2 dan 5.8 × 10-4 m2 masing-masing.

(i) Calculate the pressure exerted on the oil in the hydraulic brake. Hitungkan tekanan yang bertindak ke atas minyak dalam brek hidraulik itu.



(iii) Calculate the force that exerted at each of front brake piston. Hitungkan daya yang dikenakan pada setiap omboh brek hadapan.




4.

Diagram 4.1 and Diagram 4.2 show trapped gas being heated in an enclosed space. Rajah 4.1 dan Rajah 4.2 menunjukkan gas yang terperangkap sedang dipanaskan di dalam ruang tertutup.

Diagram 4.1 / Rajah 4.1


(a) What is the meaning of absolute temperature? Apakah maksud dengan suhu mutlak? ………………………………………………………………………………………...

[1 mark / 1 markah]

(b) By using the kinetic theory of molecule, explain why volume increases when the temperature of air increases. Dengan menggunakan teori kinetik molekul, terangkan mengapakah isipadu bertambah apabila suhu udara bertambah? ………………………………………………………………………………………

………………………………………………………………………………………


(c) (i) Name the physics law involved as shown on Diagram 4.1 and 4.2. Namakan hukum fizik terlibat seperti yang ditunjukkan dalam Rajah 4.1 dan 4.2. ………………………………………………………………………………………...

[1 mark / 1 markah]


(ii) Sketch the graph of physics law, stated in (c)(i). Lakarkan graf hukum fizik, yang dinyatakan dalam (c)(i).

[1 mark / 1 markah]

(d) A gas of volume 35 m3 at temperature 40 o C is heated at a fixed pressure. Calculate the volume of the gas when its temperature reaches 70 o C. Gas dengan isipadu 35 m3 pada suhu 40 o C dipanaskan pada tekanan yang tetap. Kirakan isipadu gas apabila suhu mencapai 70 o C.




5. Diagram 5.1 shows a path of light ray PO travel from air to a glass block. Rajah 5.1 menunjukkan lintasan sinar cahaya PO bergerak dari udara ke satu bongkah kaca. [critical angle = 42o : sudut genting = 42o]


(a) What is the meaning of critical angle?

Apakah yang dimaksudkan dengan sudut genting? …………………………………………………………………………………………..

[1 mark / 1 markah]

(b) (i) On Diagram 5.1, start from O, draw the path of the light ray passing through the glass block and then through the air again. Pada Rajah 5.1, bermula dari O, lukiskan lintasan cahaya semasa melalui bongkah kaca dan kemudiannya melalui udara semula.


(ii) Name the phenomenon that has occured to the light ray in (b)(i). Namakan fenomena yang telah berlaku kepada sinar cahaya di (b)(i). …………………………………………………………………………………………..

[1 mark / 1 markah]


(c) Diagram 5.2 shows a coin at the base of the beaker which contains a liquid A with the depth of 20 cm. The observer found the image of the coin appears to be 8 cm from the base of the beaker. Rajah 5.2 menunjukkan sekeping duit syiling yang berada pada dasar sebuah bikar yang mengandungi cecair A dengan kedalaman 20 cm. Pemerhati mendapati imej duit syiling kelihatan berada 8 cm dari dasar bikar.


(i) Calculate the refractive index of the liquid A. Hitungkan indeks biasan bagi cecair A tersebut.


(ii) The liquid A is replace with a less dense liquid. Cecair A itu kemudiannya digantikan dengan cecair yang kurang tumpat. What happens to the image of the coin? Explain. Apakah yang berlaku kepada imej duit syiling itu?Jelaskan. …………………………………………………………………………………………

…………………………………………………………………………………………




6. Diagram 6(a) shows the arrangement of Young’s double-slit experiment. A source of white light is directed through a red filter to produce a monochromatic light. Rajah 6(a) menunjukkan susunan eksperimen dwi-celah Young. Satu sumber cahaya putih ditujukan melalui penuras merah untuk menghasilkan cahaya monokromatik.

Diagram 6(a) / Rajah 6(a)

Diagram 6(b) and Diagram 6(c) show two double slit which have been used in the experiment. Rajah 6(b) dan Rajah 6(c) menunjukkan dua dwi-celah yang digunakan dalam eksperimen ini.

Diagram 6(b) / Rajah 6(b) Diagram 6(c) / Rajah 6(c)

Diagram 6(d) / Rajah 6(d) Diagram 6(e) / Rajah 6(e)

Diagram 6(d) and Diagram 6(e) show the fringe pattern produced in the screen. Rajah 6(d) dan Rajah 6(e) menunjukkan dua corak pinggir yang terbentuk di skrin.


(a) What is meant by monochromatic light? Apakah yang dimaksudkan dengan cahaya monokromatik? …………………………………………………………………………………………

[1 mark / 1 markah] (b) Based on

Berdasarkan (i) Diagram 6(b) and 6(c), compare the distance of slit separation, a1 and a2.

Rajah 6(b) dan 6(c), bandingkan jarak pemisahan celah, a1 dan a2. …………………………………………………………………………………………

[1 mark / 1 markah]

(ii) Diagram (d) and (e), compare the distance of two consecutive dark fringes separation, x1 and x2. Rajah (d) and (e), bandingkan jarak pemisahan antara dua pinggir gelap berturutan, x1 dan x2. …………………………………………………………………………………………

[1 mark / 1 markah]

(iii) State the relationship between the distance of slit separation, a, to the distance of two consecutive dark fringes, x. Nyatakan hubungan di antara jarak pemisahan celah, a, dengan jarak pemisahan antara dua pinggir gelap berturutan, x. ………………………………………………………………………………………….

[1 mark / 1 markah]

(iv) State one constant variable in the experiment. Nyatakan satu pembolehubah yang dimalarkan dalam eksperimen ini. ………………………………………………………………………………………….

[1 mark / 1 markah]

(c) Name the phenomenon of light that produces the fringe pattern in Diagram 6(d) and 6(e). Namakan phenomenon cahaya yang menghasilkan corak jalur dalam Rajah 6(d) dan 6(e). ………………………………………………………………………………………….

[1 mark / 1 markah]

(d) Explain how the fringe pattern in Diagram 6(d) and Diagram 6(e) are formed. Terangkan bagaimana corak pinggir dalam Rajah 6(d) dan Rajah 6(e) terbentuk. …………………………………………………………………………………………

…………………………………………………………………………………………




7. Diagram 7.1 and Diagram 7.2 show circuits consists of three identical bulbs arranged in two different ways. Each bulb has a resistance of 2 Ω. Rajah 7.1 dan Rajah 7.2 menunjukkan dua litar yang mengandungi tiga mentol yang sama jenis disusun dalam dua cara yang berbeza. Setiap mentol mempunyai rintangan 2 Ω.


(a) What is the meaning of resistance?

Apakah maksud dengan rintangan? …………………………………………………………………………………………

[1 mark / 1 markah]

(b) (i) Calculate the effective resistance in each diagram. Kira rintangan berkesan bagi setiap rajah.


(ii) State which circuit will produce greater brightness of the bulb. Give a reason. Nyatakan litar manakah akan menghasilkan kecerahan mentol yang lebih cerah. Berikan sebabnya. …………………………………………………………………………………………

…………………………………………………………………………………………



(c) Diagram 7.3 shows an illuminating torch light. Rajah 7.3 menunjukkan sebuah lampu suluh yang mengeluarkan cahaya.


It is found that the torch light is not bright enough even when new cells are used. A modification is required to make it light brighter. Cahaya daripada lampu suluh ini tidak cukup terang walaupun bateri yang baru digunakan. Satu pengubahsuaian diperlukan untuk menjadikannya bercahaya lebih terang. Suggest the modification that needs to be done through these aspects: Cadangkan pengubahsuaian yang perlu dibuat melalui aspek-aspek berikut:

(i) Number of cells Bilangan bateri. …………………………………………………………………………………………

[1 mark / 1 markah]

Reason Sebab …………………………………………………………………………………………

[1 mark / 1 markah]

(ii) The way the cells are arranged Cara susunan bateri …………………………………………………………………………………………

[1 mark / 1 markah]

Reason Sebab …………………………………………………………………………………………

[1 mark / 1 markah]



8. Diagram 8.1 shows the simple experiment of electromagnetism. Rajah 8.1 menunjukkan eksperimen mudah dalam elektromagnetisme.


(a) What is a meaning of electromagnet? Apakah maksud elektromagnet? …………………………………………………………………………………………

[1 mark / 1 markah]

(b) Based on Diagram 8.1, Berdasarkan Rajah 8.1,

(i) State one physical quantities that affect the strength of electromagnet? Nyatakan satu kuantiti fizik yang mempengaruhi kekuatan elektromagnet? …………………………………………………………………………………………

[1 mark / 1 markah]

(ii) Draw the pattern of magnetic field on Diagram 8.1. Lukiskan corak medan magnet pada Rajah 8.1.

[1 mark / 1 markah]


(c) Diagram 8.2 shows a crane transferring loads of scrapped iron. Rajah 8.2 menunjukkan sebuah kren sedang mengangkat besi buruk.


You are asked to investigate the design and the characteristics of four cranes as an efficient electromagnet plate as to work more effectively as shown on Table 8.3. Anda ditugaskan untuk mengkaji reka bentuk dan ciri-ciri bagi empat kren sebagai plat elektromagnet yang cekap supaya dapat bekerja dengan lebih berkesan seperti yang ditunjukkan dalam Jadual 8.3.

Crane Kren

Size of electromagnetic

plate Saiz plat

elektromagnet

Characteristics of

electromagnetic plate

Ciri-ciri plat elektromagnet

Diameter of wire for current

carrying coil Diameter dawai yang digunakan pada gegelung

Number of turns in coil Bilangan lilitan

dawai pada gegelang

A Big Besar

Steel Besi

Small Kecil 1 000

B Big Besar

Soft iron core Teras besi lembut

Big Besar 2 500

C Small Kecil

Iron core Teras besi

Big Besar 2 500

D Small Kecil

Steel Besi

Small Kecil 1 000

Table 8.3 / Jadual 8.3

Explain the suitable crane as an electromagnet plate which can increase the efficiency and lift more scraps of iron. Terangkan kren sesuai sebagai plat elektromagnet yang boleh meningkatkan kecekapan dan mengangkat lebih sisa besi.


(i) Size of electromagnetic plate Saiz plat elektromagnet …………………………………………………………………………………………

[1 mark / 1 markah] Reason

Sebab …………………………………………………………………………………………

[1 mark / 1 markah] (ii) Characteristics of electromagnetic plate

Ciri-ciri plat electromagnet …………………………………………………………………………………………


Sebab …………………………………………………………………………………………

[1 mark / 1 markah] (iii) Diameter of wire for current carrying coil

Diameter dawai yang digunakan pada gegelung …………………………………………………………………………………………


Sebab …………………………………………………………………………………………

[1 mark / 1 markah] (iv) Number of turns in coil

Bilangan lilitan dawai pada gegelang …………………………………………………………………………………………


Sebab …………………………………………………………………………………………

[1 mark / 1 markah]

(v) Determine the most suitable crane that can be lift more scraps of iron. Tentukan kren yang paling sesuai yang boleh mengangkat lebih sisa besi. …………………………………………………………………………………………

[1 mark / 1 markah]



CHAPTER 2 – FORCE & MOTION 1. Diagram 1 shows a velocity against time graph for a motion.

Rajah 1 menunjukkan graf halaju melawan masa bagi satu gerakan.

Diagram 1 / Rajah 1

(a) What is meant by velocity?

Apakah yang dimaksudkan halaju? …………………………………………………………………………………….

[1 mark / 1 markah]

(b) Base on Diagram 1, Berdasarkan Rajah 1,

(i) What type of motion during the first 10 second? Apakah jenis gerakan 10 saat yang pertama? …………………………………………………………………………………….

[1 mark / 1 markah]

(ii) Mark with P, a region of deceleration Tandakan dengan P, kawasan nyah pecutan.

[1 mark / 1 markah]

(c) State other physical quantity that can be derived from the graph. Nyatakan kuantiti fizikal lain yang boleh diterbitkan dari graf itu. …………………………………………………………………………………….

[1 mark / 1 markah]



TRIAL SBP 2013

2. Diagram 2 shows a worker lifting a load of mass 10 kg using a smooth pulley system. The worker applies a force of 110 N to pull up the load at a distance of 0.5 m. Rajah 2 menunjukkan seorang pekerja mengangkat beban berjisim 10 kg dengan menggunakan sistem takal yang licin. Pekerja itu menggunakan daya 110 N untuk menarik beban keatas pada jarak 0.5 m.

Diagram 2 / Rajah 2

(a) What is meant by work?

Apakah yang dimaksudkan dengan kerja? ………………………………………………………………………………………………

[1 mark / 1 markah]

(b) Calculate Hitungkan

(i) the work done by the worker kerja yang dilakukan oleh pekerja tersebut


(ii) the acceleration of the load pecutan beban itu




3. Diagram 3 shows an airplane of mass 5000 kg flying horizontally with a constant velocity. P and Q are two forces which maintain the airplane at constant altitude. Rajah 3 menunjukkan sebuah kapal terbang berjisim 5000 kg terbang mendatar dengan halaju malar. P dan Q adalah dua kuasa yang mengekalkan kapal terbang pada ketinggian malar.

Diagram 3 / Rajah 3

(a) Name the forces P and Q. Namakan daya P dan Q. P : ……………………………………………………

Q : ……………………………………………………


(b) Write equation to show the relationship between P and Q. Tuliskan persamaan yang menunjukkan hubungan di antara P dan Q.

…………………………………………………………………………………....

[1 mark / 1 markah]

(c) (i) The forward thrust, FT, is 150 kN, what is the air resistance, FR of the airplane? Daya ke hadapan, FT , adalah 150 kN , apakah rintangan udara, FR pesawat tersebut ?

[1 mark / 1 markah]

(ii) What is the acceleration of the airplane, if the forward thrust, FT is than increased to 200 kN. Apakah pecutan pesawat tersebut , jika daya ke hadapan, FT adalah meningkat kepada 200 kN.




CHAPTER 5 – LIGHT

1. Diagram 4.1 and Diagram 4.2 show two rectangular glass blocks with different optical density and refractive index. Ray of light is directed toward the glass blocks with the same angle of incidence 30o. Rajah 4.1 dan Rajah 4.2 menunjukkan dua buah blok kaca segiempat tepat dengan ketumpatan optik dan indeks biasan yang berbeza. Satu sinar cahaya bergerak terus ke blok kaca dengan sudut tuju yang sama iaitu 30o.

Density = 2600 kgm-3

Ketumpatan = 2600 kgm-3

Density = 2670 kgm-3 Ketumpatan = 2670 kgm-3


(a) What is meant by refraction? Apakah yang dimaksudkan dengan pembiasan? ……………………………………………………………………………………

[1 mark / 1 markah]

(b) Based on Diagram 4.1 and Diagram 4.2, Berdasarkan Rajah 4.1 dan Rajah 4.2,

(i) Compare the angle refraction of the glass blocks. Bandingkan sudut bias bagi blok kaca tersebut.

……………………………………………………………………………………

[1 mark / 1 markah]

(ii) Compare the densities of the glass blocks. Bandingkan ketumpatan bagi blok kaca tersebut.

……………………………………………………………………………………

[1 mark / 1 markah]


(iii) Relate the angle of refraction, r and the densities of the glass blocks. Hubungkaitkan sudut bias, r dan ketumpatan bagi blok kaca tersebut.

……………………………………………………………………………………

[1 mark / 1 markah]

(c) Calculate the refractive index of the glass block in Diagram 4.2. Hitungkan indeks biasan bagi blok kaca bagi Rajah 4.2.


(d) What happens to the speed of light when pass through from less dense to a denser medium? Apakah yang berlaku kepada laju cahaya apabila melalui dari kawasan kurang tumpat ke kawasan yang lebih tumpat? ……………………………………………………………………………………

[1 mark / 1 markah]



TRIAL TERENGGANU 2013

2. Diagram 1 shows the ray diagram of a mirror to show the formation of image I for an object O. F is the focal point and C is the centre of curvature of the mirror. Rajah 1 menunjukkan gambar rajah sinar sebuah cermin untuk menunjukkan pembentukan imej I bagi sebuah objek O.

Diagram 1 / Rajah 1

(a) Name the type of mirrror used. Namakan jenis cermin yang digunakan. ……………………………………………………………………………………

[1 mark / 1 markah]

(b) State the light phenomenon involved to form the image I. Nyatakan fenomena cahaya yang terlibat untuk menghasilkan imej I. ……………………………………………………………………………………

[1 mark / 1 markah]

(c) Give one characteristic of the image I. Berikan satu ciri imej I. ……………………………………………………………………………………

[1 mark / 1 markah]

(d) What happen to the size of image I when the object O is placed at C. Apakah yang terjadi kepada saiz imej I apabila objek O diletakkan pada C. ……………………………………………………………………………………

[1 mark / 1 markah]



AKADEMI JPNT 2014

3. Diagram 3.1 shows the side mirrors of a car which helps the driver to see objects behind the car. Rajah 3.1 menunjukkan cermin sisi sebuah kereta yang berfungsi untuk membantu pemandu melihat objek di belakang kereta.


(a) Name the type of mirrror used.

Namakan jenis cermin yang digunakan. ……………………………………………………………………………………

[1 mark / 1 markah]

(b) Give one reason why this type of mirror is used instead of a plane mirror. Berikan satu sebab jenis cermin tersebut digunakan dan bukannya cermin satah. ……………………………………………………………………………………

[1 mark / 1 markah]

(c) In Diagram 3.2, F is the focal point and C is the centre of curvature of a convex mirror. Dalam Rajah 3.2, F dan C masing-masing ialah titik fokus dan pusat kelengkungan bagi suatu cermin cembung.


(i) Complete the ray diagram in Diagram 3.2 to show the position of the image formed. Lengkapkan gambarajah sinar pada Rajah 2 dan tunjukkan posisi bagi imej yang terbentuk.




ELECTRONIC 1. Diagram 1.1 shows the use of a transistor in a circuit.

Diagram 1.1

a Name the type of transistor used.

.............................................................................................................................

[ 1 mark ]

b The transistor is switched on when the base voltage V2 ≥ 2 V. (i) Write an equation to show the relationship between IB, IC and IE.

.............................................................................................................................

[ 1 mark ]

(ii) Calculate the minimum value of R2 when the transistor is switched on.

[ 2 marks ]

c The resistor R2 is then replaced with a light dependent resistor which has a high resistance when is dark.

(i) Explain whether the bulb will light up during the day. ............................................................................................................................. .............................................................................................................................

[ 2 marks ]

(ii) Besides being used as a switch, state one other use of a transistor. .............................................................................................................................

[ 1 mark ]

TOTAL 7 marks


2. Diagram 2.1 and Diagram 2.2 shows two diodes A and B, two bulbs P and Q are connected to a dry cell with two different arrangements.

Diagram 2.1

Diagram 2.2

a Based on Diagram 2.1 and Diagram 2.2, (i) compare the connection of diodes to the terminal of the dry cell.

.............................................................................................................................

[ 1 mark ]

(ii) compare the lighting of the bulbs. .............................................................................................................................

[ 1 mark ]


(iii) Relate the connection of diodes to the terminal of the dry cell with the lighting of the bulbs. .............................................................................................................................

[ 1 mark ]

b(i) Draw the arrangement of four diodes and suitable power supply in the space given in Diagram 2.3 that can be used to produce full wave rectifier circuit.

Diagram 2.3

[ 3 marks ]

(ii) Draw the wave form of full wave rectification

[ 1 mark ]

(iii) Name an electronic component that can be used to smooth the current produced. .............................................................................................................................

[ 1 mark ]

TOTAL 8 marks


ESSAY SECTION B SPM 2013

1. Diagram 10.1(a) and Diagram 10.2(a) show two identical Van de Graaff generators being charged for 1 minute and 5 minutes respectively.

Diagram 10.1(a) Diagram 10.2(a)

Diagram 10.1(b) and Diagram 10.2(b) show the deflection of the microammeter pointer when the metal dome is connected to the microammeter and a metal tap.

Diagram 10.1(b) Diagram 10.2(b)

(a) What is the physical quantity that can be measured by a microammeter?

[1 mark]

(b) Using Diagram 10.1 and 10.2, compare the time taken to charge the van de Graaff generator, quantity of charge produced on the dome and the angle of deflection of the microammeter pointer.

[3 marks]


(c) State the relationship between: (i) The time taken to charge the Van de Graaff generator and the quantity of charge

produced on the dome. [1 mark]

(ii) The quantity of charge produced on the dome and the current produced.

[1 mark]

(d) Diagram 10.3 shows a filament lamp.

Diagram 10.3

Explain why the filament in coiled shape produces more light.

[4 marks]

(d) Diagram 10.4 shows the design of a wire-wrapped variable resistor made by a student to control the amount of current flowing through a circuit. The resistance of the variable resistor can be varied to a maximum of 10 Ω.

Diagram 10.4

You are required to modify the design in Diagram 10.4 so that the maximum resistance is greater than 10 Ω. State and explain the modifications based on following aspects:

(i) Cross-sectional area of wire used. (ii) Length of wire used. (iii) Number of turns of the wire. (iv) Conductivity of the slider. (v) Type of wire used.

[10 marks]

TOTAL 20 marks


SPM 2006

2. Diagram 10.1 and Diagram 10.2 show wire coils connected to the ammeters, switches and d.c. power supply.

Diagram 10.1 Diagram 10.2

When the switch is on and iron filings of the same amount is spread on each of the cardboard surface, the pattern of the iron filings is formed as shown in the diagrams.

(a) What is meant by magnetic field? [1 mark]

(b) Using Diagram 10.1 and Diagram 10.2, compare the number of turn of the coils, the pattern of

the iron filings and angle of deflection of the ammeter indicator. [3 marks]

(c) State the relationship between the strength of the magnetic field and (i) the pattern of iron filings,

[1 mark] (ii) the number of turn of the coils.

[1 mark]


(d) Diagram 10.3 shows two thin copper strips, PQ and RS, connected to a circuit.

Diagram 10.3

Explain what happens to PQ and RS, when the switch is on.

[4 marks]

(e) Diagram 10.4 shows an electric motor which is supplied with a 12 V a.c.

Diagram 10.4

(i) Explain how the motor is able to rotate. [4 marks]

(ii) Using a 12 V a.c. power supply, explain the modification that needs to be done on the

motor and the external circuit to enable the motor to be a d.c. electric motor and rotate faster.

[6 marks]

TOTAL 20 marks


ESSAY SECTION C TRIAL KEDAH 2011

1. Diagram 12.1 shows a water detection system designed by a student to detect the level of water in a storage tank so that an outlet valve can be opened automatically when the water level is too high.

Diagram 12.1

The radioactive source and detector are used to detect the level of water in the tank. The radioactive source contains a radioisotope.

(a) What is the meaning of radioisotope? [1 mark]

(b) Explain how the outlet valve opens when the water level is too high. [4 marks]

(c) Table 12.2 shows the properties of five radioisotopes.

Radioisotope Initial activity (counts per

minute) Radioactive

emission Half-life Temperature change

Iodine-133 40 Beta 20.8 hours Solid → liquid (114ºC)

Radon-22 560 Alpha 3.8 days Liquid → gas (-62ºC)

Iron-60 542 Beta 1.5 x 106 years Solid → liquid (1538ºC)

Cobalt-60 300 Gamma 5.3 years Solid → liquid (1495ºC)

Bromine-83 384 Beta 2.4 hours Liquid → gas (59ºC)

Table 12.2


You are required to determine the most suitable radioisotope that can be used as the radioactive source in the water detection system. Study the properties of all the five radioisotopes based on the following aspects:

(i) Initial activity. (ii) Type of radioactive emission. (iii) Half-life of the radioisotope. (iv) The physical state of the radioisotope. Explain the suitability of each property and then determine the most suitable radioisotope.

Give the reasons for your choice. [10 marks]

(d) (i) State the number of neutrons in an atom of radioisotope Bromine-83.

[1 mark] (ii) The proton numbers of Selenium and Krypton are 34 and 36 respectively.

Which element is produced by the decay of radioisotope Bromine-83? [1 mark]

(iii) Write the decay equation for radioisotope Bromine-83. [1 mark]

(iv) What is the activity of radioisotope Bromine-83 after 9.6 hours? [2 marks]

TOTAL 20 marks


TRIAL KEDAH 2013

2. Diagram 11.1 shows two light rays, A and B, from an object incident on a prism. The light rays are parallel to the surface X. An inverted image is seen by the observer.

Diagram 11.1

(a) (i) What is the incident angle of light ray A? [1 mark]

(ii) The critical angle of the prism is 42°. Calculate the refractive index of the prism.

[2 marks]

(iii) Redraw Diagram 11.1 and complete the paths of the light rays inside the prism. Use the sign → and àà to indicate light rays A and B respectively.

[2 marks]

(iv) Name the light phenomenon that occurs at surface X when the light rays move through the prism.

[1 mark]

(b) While travelling on a bus on a hot day, you see a pool of water on the road in front of you. However, as you reach that particular location, you find that the pool does not exist. Using your knowledge of the propagation of light in media of different densities, explain this occurrence.

[4 marks]


(c) Diagram 11.2 shows an astronomical telescope.

Diagram 11.2

Table 11.3 shows four sets of convex lenses R, S, T and U with different specifications.

Set of lenses

Objective lens Eyepiece Focal length / cm Diameter / cm Type of lens Power / D

R 50.0 6.0 Convex 30 S 30.0 3.0 Convex 25 T 50.0 3.0 Concave 25 U 30.0 6.0 Concave 30

Table 11.3

You are required to determine the most suitable set of convex lenses to construct an

astronomical telescope that can produce a sharp, bright and big image. Study the specifications of all four sets of convex lenses from the following aspects:

• Focal length of the objective lens • Diameter of the objective lens • Type of lens of the eyepiece • Power of the eyepiece

Explain the suitability of the aspects and determine the most suitable set of lenses. Give reasons for your choice.

[10 marks]

TOTAL 20 marks


PRECAUTION STEPS FOR INVESTIGATIVE EXPERIMENTS

NO.

TYPE OF EXPERIMENT INVOLVING

PRECAUTIONS THAT CAN BE TAKEN

1

LIGHT

a. Do the experiment in a dark room to get clear and sharp image

b. Lens, screen and object must be in line and of same level c. Make sure our eyes perpendicular to the reading of

meter rule to avoid parallax error

2

SPRING

a. Make sure the spring is not loaded beyond the elastic limit (spring return to original length when load is taken off)

b. Make sure our eyes perpendicular to the reading of meter rule to avoid parallax error

3

ELECTRIC / ELECTRONIC

a. Make sure all the connections are correctly and tightly b. Switch off the circuit after taking the reading to avoid over

heating of the wires (resistance increase) c. Make sure our eyes perpendicular to the reading of

ammeter / voltmeter to avoid parallax error

4

HEAT

a. Stirred the liquid constantly, so the temperature rises evenly

b. Aluminium block must be wrapped with insulating material to prevent heat lost

c. Thermometer bulb should be smeared with oil to give better thermal contact with the block

d. Make sure our eyes perpendicular to the reading of thermometer to avoid parallax error

5 Measuring

instrument such as ammeter, voltmeter, meter rule etc.

Make sure our eyes perpendicular to the reading of ......................... (instrument) to avoid parallax error


PAPER 3 [SECTION B]

PLANNING EXPERIMENT INFERENCE RV depends on MV

HYPHOTESIS MV increase, RV increase

OR MV increase, RV decrease

AIM To investigate the relationship between ……….MV……….. and ……….RV…………….

VARIABLES MV : RV : FV :

LIST OF APPARATUS

ARRANGEMENT OF APPARATUS

PROCEDURE 1. How to control manipulated variable? 2. How to control responding variable? 3. How to repeat experiment?

TABULATE DATA

MV RV

ANALYSING DATA

RV

MV


OPERATIONAL DEFINITION

INERTIA: Time taken for one complete oscillation // Period

PRESSURE IN LIQUID: Different height in manometer

VOLUME OF GAS: Length of mercury or sulfuric acid // Length of trapped air

STRENGTH OF ELECTROMAGNET: Number of pins attracted

SPEED OF ROTATION: Height of magnet bar released

BRIGHTER: Current flow


Experiment based on instrument: NO. INSTRUMENTS EXPERIMENT 1. Pendulum Simple pendulum 2. Hacksaw blade Inertia 3. Slotted weight, spring Hooke’s law 4. Ticker tape F=ma 5. Thistle funnel Pressure in liquid 6. Marble, lead shot, measuring cylinder Buoyant force 7. Eureka can Buoyant force 8. Syringe Boyle's law 9. Round bottom flask, bourdon gauge Pressure law

10. Sulphuric acid Charles' law 11. Beaker, pin real + apparent depth 12. Glass block, ray box refraction of light 13. Mirror, ray box reflection of light 14. Speakers, sound generator Interference of sound 15. Pins, solenoid strength of electromagnet


TASK 1 1. A student carries out an experiment to investigate the relationship between the length, ℓ, of an elastic

cord pulling a trolley and the acceleration, a, of the trolley as it moves down an inclined plane. The experiment is carried out using a ticker-timer and ticker-tape. The results of this experiment are shown in the graph of a against ℓ in Diagram 1.1.

Graph of a against ℓ

Diagram 1.1


(a) Based on the graph as shown on Diagram 1.1; (i) What happens to a as ℓ increases?

.................................................................................................................................................

[1 mark]

(ii) Determine the value of ℓ0 when a = 0 m s−2. Show on the graph how you determine the value of ℓ0.

ℓ0 = ……………………………………………………… [2 marks]

(b) (i) Calculate the gradient, h, of the graph. Show on the graph how you determine h.

h = .....................................................

[3 marks]

(ii) The spring constant, k, of the spring can be determined by the following formula:

k = mh where h is the gradient of the graph and m is the mass of the trolley. In the experiment, m = 0.7 kg. Calculate the value of k.

k = .....................................................

[3 marks]


(c) The student repeats the experiment using another trolley of mass, m = 0.8 kg and the same elastic cord is pulled to a length, ℓ = 0.15 m.

Using the formula and the value of k in 14(b)(ii), calculate the acceleration, a, of

the trolley.

a = .....................................................

[2 marks]

(d) State one precaution that can be taken to increase the accuracy of the experiment. .........................................................................................................................................................

[1 mark]

TOTAL 12 marks

o ka = × ( - )m

! !


TASK 2 TRIAL NEGERI SELANGOR 2012

2. A student carries out an experiment to investigate the relationship between the distance between two

loudspeakers, a, and the distance between two consecutive loud sounds, x. The distance between the speakers and the location where the sound is detected, D, is 5.0 cm.

Diagram 2.1 The results of the experiment are shown in the graph x against in Diagram 2.2.

(a) Based on the graph in Diagram 2.2; (i) State the relationship between x and .

...................................................................................................................................................

[1 mark] (ii) Determine the value of x if a = 2.0 cm.

x = ............................................................. [3 marks]

1a

1a


(iii) Calculate the gradient, m, of the graph. Show on the graph how you determine the gradient of the graph.

m = .............................................................

[3 marks] (b) Using the value of the gradient obtained in 2(a)(iii) and the equation , calculate the

wavelength of the sound waves, λ, used in this experiment.

[4 marks]

(e) State one precaution that can be taken to improve the accuracy of the readings in this experiment. ...........................................................................................................................................................

[1 mark]

TOTAL 12 MARKS

ax=D

l


Diagram 2.2


PAPER 3 [SECTION B]

EXAMPLE 1

Diagram 1.1 shows a diver is diving in swimming pool. Diagram 1.2 shows the same diver is diving in sea water. He dives at the same depth, but he feels his ear sick when he diving in the sea water.


EXAMPLE 2

Diagram 1.1 and Diagram 1.2 show the conditions of identical metal boxes which are used to cover a camera, tied to a big catfish in a river water and to a small shark in the sea water.


The metal box tied to the small shark is more crumple.

With the use of apparatus such as a thistle funnel, measuring cylinder and other apparatus, describe one experiment to investigate the hypothesis stated above.


TECHNIQUE IN ANSWERING P3 SECTION B

OPERATIONAL DEFINITION PRESSURE IN LIQUID:

Different height in manometer

CLUE CAUSE (MV)

EFFECT (RV) EXPERIMENT

1. Swimming pool (river water) & sea water

2. Different density (ear sick // box crumple)

3. Pressure increase 4. Same depth

Density Pressure

(different height in manometer)

PRESSURE IN LIQUID

INFERENCE Pressure in liquid depends on density (refer the simulation or situation given in the question)

HYPHOTESIS Density increase, different height in manometer increase.

AIM To investigate the relationship between density and different height in manometer

VARIABLES MV : density RV : different height in manometer CV : depth of liquid


FORMAT WRITING P3 SECTION B

Experiment : DEPTH & PRESSURE IN LIQUID

From the diagram above, state the procedure of the experiment which is the method of controlling the manipulated variable , method of measuring the responding variable and repeat the experiment.

PRO

CED

UR

E

MV

At least 2 statement

• Method how to control MV in this experiment • Initial value must be stated • Measuring instrument need to be stated

1. Set up the apparatus as shown on the diagram above. 2. The thistle funnel is lowered into the salt water with density 0.5 gcm-3 at a depth

y = 5.0 cm.

RV

At least 2 statement

• Describe on how to measure RV • Measuring instrument need to be stated • State the formula if necessary 3. Observed and measure the different level, h at manometer through meter

rule.

Repeat

State at least 4 other value with correct units for MV

4. The experiment is repeated by lowered the thistle funnel at different depth which are 1.0 cm, 1.5 cm, 2.0 cm and 2.5 cm.


The

way

to ta

bula

te th

e da

ta.

DATA TABULATION: REFER TO THE FOLLOWING TABLE

Depth, y (cm) Different level, h (cm) 0.5 1.0 1.5 2.0 2.5

The

way

to a

naly

se th

e da

ta.

DATA ANALYSIS : REFER GRAPH


EXAMPLE 3

Diagram 3.1 shows a bicycle’s dynamo which has a magnet and a coil of insulated copper wire. The output of the dynamo is connected to a bicycle lamp. The lamp will light up when the cylindrical magnet is rotated by turning the wheel. Diagram 3.2 shows 3the light gets brighter when the wheel turns faster.


CLUE CAUSE (MV)

EFFECT (RV) EXPERIMENT

1. Dynamo (electromagnetic induction)

2. Wheel turns faster, light gets brighter

3. Turns faster (increase in rotation) " height of magnet bar release

4. Brighter " current

Height of magnet bar

release

Induced Current



TASK 1 Diagram 1.1 shows a table fan blades are spinning when speed adjusting buttons is set at low current. Diagram 1.2 shows the table blades are spinning faster when the speed adjusting button is set at a high current. The blades spin faster represents the greater force produced by the motor of the fan.


With the use of apparatus such as magnadur magnets, C-shaped iron yoke and other apparatus describe one experiment to investigate the hypothesis stated in above.

TASK 2 Diagram 2.1 and Diagram 2.2 show the oscillation of two similar dolls in a fixed time. The dolls in Diagram 2.1 and 2.2 have a mass of 0.4 kg and 0.2 kg respectively at their bases. It is found that the period of oscillation in Diagram 2.1 is longer compared to Diagram 2.2.


With the use of apparatus such as jigsaw blade, a stop watch, a G-clamp, suitably weighted plasticine balls and other apparatus, describe an experiment to investigate the hypothesis stated in above.


TASK 3 Diagram 3.1 shows a fisherman starting his fishing journey in the morning. Diagram 3.2 shows the fisherman returning with a boat loaded with fish. The boat displaces more water to sink deeper into the water.


With the use of apparatus such as eureka can, weighing balance and other apparatus, describe an experiment to investigate the hypothesis stated in above.

TASK 4 Diagram 41.1 shows an electrical circuit used in shed A with a cell and a bulb. It is connected using a short wire. The bulb lit brightly. Diagram 41.2 also shows an electric circuit used in shed B with a cell and bulb. It is connected by using a wire. The bulb lit less brightly.

Diagram 4.1 Diagram 4.2 With the use of apparatus such as ammeter, voltmeter, constantan and other apparatus, describe an experiment to investigate the hypothesis stated in above.

Sometimes we’re tested

Not to show our weaknesses, But to discover our

Strengths

Connecting wire Wayar penyambung

BatteryBateri

Shed APondok A

Connecting wire Wayar penyambung

BatteryBateri

Shed BPondok B

Believe in yourself and all that you are. Know that there ... · 8 B20 Aruhan (bil lilitan) 5 C20...

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