It phy f4 topical test 1 (e)

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PAPER 1

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TOPICAL TEST 1: INTRODUCTION TO PHYSICS

1 ‘Physics’ is a branch of science

which meansA study of particles B study of nature C study of living things D study of motion and energy

2 Physics is divided into classical physics and modern physics. Classical physics does not includeA mechanics C nuclear

physicsB light D heat

3 Video camera works based on the concept of A elasticity B opticsC eletromagnetic wavesD mechanics

4 The following phenomena can be explained using the principles of physics, except A a pen appears bent in a glass of

waterB a mobile phone function without

wiresC formation of salt from

neutralisationD formation of rainbow

5 Which of the following is not a contribution of physics?A Electronic dictionaryB Cutting metal using laserC Electrical lampD Purification of metal

6 The physical quantity that cannot be defined in terms of other physical quantitites is calledA non-physical quantityB base quantityC dimensionless quantityD derived quantity

7 Which of the following is a base quantity?A Energy C WeightB Mass D Volume

8 Which of the following is not a base quantity?A WeightB TemperatureC Electrical current

D Length9 Which of the following is not a base

unit?A Ampere C KilogramB Kilometre D Kelvin

10 Which of the following is not expressed in the unit of pressure?

A

B

C

D Length × Density × Acceleration

11 Which of the following physical quantities has SI unit ‘N s’?A Momentum C ForceB Power D Pressure

12 Which of the following is not the unit of pressure?A kg m– 1s– 2 C PaB N m– 2 D kg m3 s– 2

13 Which of the following physical quantities is not matched correctly with its unit?A Force: kg m s– 2

Daya: kg m s–2

B Work done: kg m2 s–2

Kerja : kg m2 s–2

C Density: kg m–3

Ketumpatan: kg m–3

D Acceleration: m s–1

Pecutan: m s–1

14 Based on formula of stretching force, F

F = kxwhere x = expansion and k = constant. The unit of ‘k’ is A kg m–1 C N mB N m–1 D kg m–2

15 A radio station generates frequency of 89.3 MHz. What is the standard form of this frequency in Hz?A 8.93 × 106 C 8.93 × 103

B 8.93 × 107 D 8.93 × 104

16 What is the standard form of 50 ms in unit of second?A 5.0 × 10–5 s C 5.0 × 10–3 sB 5.0 × 10–4 s D 5.0 × 10–2 s

17 Which of the following pairs shows a base quantity and derived quantity correctly?

Base quantity

Derived quantity

A Mass Current

B Degree Celcius Frequency

C Length Velocity

D Voltage Power

18 Which of the following prefixes is the smallest?A giga C micro B milli D nano

19 Which of the following prefixes are arranged in ascending order?A milli, micro, kilo, gigaB nano, milli, giga, megaC micro, milli, kilo, megaD micro, nano, milli, kilo

20 The distance between the Moon and the Earth is 384 000 000 m. Which of the following prefixes is used correctly to represent the distance between the Moon and the Earth?A 3.84 Mm C 3.84 GmB 384 mm D 0.384 Gm

21 A car is moving with a velocity of 80 km h–1. Its speed equivalent toA 22.2 m s–1 C 1 330 m s–1

B 288 m s–1 D 80.0 m s–1

22 The speed of light moving in vacuum is 299 792 458 m s–1. It can be written in standard form asA 3.00 × 108 m s–1

B 3.00 × 109 m s–1

C 3.00 × 10–8 m s–1

D 3.00 × 10–9 m s–1

23 Which of the following pairs of are equivalent?A 12 µm = 1.2 × 10–9 mB 120 mm3 = 1.2 × 10–1 m3

C 1.2 Mg = 1.2 × 106 kgD 1.2 g cm–3 = 1.2 × 103 kg m–3

24 A 600 g object with dimension 3 cm × 5 cm × 8 cm. What is the density of the object in kg m–3?

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A 6 000 C 5 000B 5 500 D 4 500

25 Which of the following readings is the shortest?A 5.43 × 10–3 m C 5.43 × 10–3 mmB 5.43 × 10–2 cm D 5.43 × 102 µm

26 A physical quantity that has both magnitude and direction is called a vector quantity. Example of vector quantity is A energy C powerB force D pressure

27 Pressure, volume, mass and area areTekanan, isi padu, jisim dan luas adalahA base quantityB derived quantityC scalar quantityD vector quantity

28 Momentum isA a scalar and base quantityB a scalar and derived quantityC a vector and base quantityD a vector and derived quantity

29 A physical quantity that has only magnitude is called scalar quantity. Example of scalar quantity isA acceleration C speedB velocity D displacement

30 Which of the following statements describe a scalar quantity?A a car moving with 60 km h–1 to

the left.B Speed of light in vacuum is 3.00

× 108 m s–1.C An aeroplane moving in air

against air resistant 1 000 N backwards.

D A trolley moving with velocity, v = 1.2 m s–1 at t = 5.0.

31 Which of the following statements is true about zero error?A It occur if an measuring

instrument showing non-zero number before measurement.

B It can be reduced by taking the average value of repeated measurement.

C It can be reduced by taking the mode of repeated measurement.

D It occur if the observer is taking the reading of measurement at a

non-perpendicular angle to the measurement scale..

32 Which of the following measurement readings is obtained by using a pair of vernier callipers?A 1.21 mm C 1.21 cmB 12.2 mm D 0.121 cm

33 Diagram 1 shows the scale of a vernier callipers to measure the diameter of a steel ball.

Diagram 1 Given that the zero error of the vernier callipers is +0.03 cm. What is the actual diameter of the steel ball?A 3.72 cm C 3.12 cmB 3.75 cm D 3.25 cm

34 Which of the following is correct about the comparison of sensitivity of a vernier callipers and a metre ruler?

Vernier callipers Metre ruler

A Low sensitivity High sensitivity

B Low sensitivity Low sensitivity

C High sensitivity High sensitivity

D High sensitivity Low sensitivity

35 Diagram 2 shows the scale of micrometer screw gauge.

Diagram 2 What is the reading shown?A 3.31 mm C 3.81 mmB 3.29 mm D 3.79 mm

36 Diagram 3(a) and 3(b) show the reading on a micrometer screw gauge before and after being used to measure the thickness of 20 pieces of papers.

(a) (b)Diagram 3

What is the thickness of a piece of paper?A 0.341 mm C 0.366 mmB 0.358 mm D 0.362 mm

37

Diagram 4 Diagram 4 shows several different readings of a same wire being observed due to the reading taken on different angle. What is the error occur in Diagram 4?A Zero error B Parallax error C Systematic error D Random error

38 What is the definition of consistency of a measuring instrument?A Ability to obtain same reading for

several measurements are taken.B Ability to obtain a reading close

to the actual value.C Sensitive to a small change of the

measurement.D Ability to obtain an exact value of

the measurement.

39 Which of the following statements is not a way to increase the accuracy of a measurement?A Average value of repeated

readings is taken.B Avoid zero error.C Using a higher accuracy

instrument.D Average value of readings from

several measurement instruments is taken.

40 Mercury is suitable to use in thermometer to measure temperature due to following characteristic, except A it is an apaque liquidB it has freezing point below 0 °CC it is not harmful to human being



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D it is sensitive to temperature change

41 Diagram 5 shows four set of archery results.

Diagram 5 Which set of archery is consistent but not accurate?A P C RB Q D S

42Thickness (cm)

2.38

2.39

2.41

2.39

2.42

Table 1 Table 1 shows a set of readings of vernier callipers to measure thickness of a wooden block. The relative deviation is A 0.65% C 2.84%B 2.00% D 0.56%

43 A book X is weighted by a weighing balance. The mass readings obtainer are

1.28 kg, 1.27 kg, 1.28 kg, 1.27 kg, 1.27 kg

Given the actual mass of book X is 1.25 kg. The relative error isA 1.92% C 0.408%B 0.416% D 2.08%

44 Which of the following graphs shows the relationship of y and x are inversely proportional?A C

B D

45 Which of the following graphs shows that y and x are independent?A C

B D

46 Which of the following graphs shows the relationship of F = kx, where k = constant?A C

B D

47 A physical quantity which variated in an investigation is calledA responding variable B manipulated variableC constant variableD conclusion

48

Diagram 6 The graph in Diagram 6 shows the velocity of a car, v against the time taken, t to deceleration. Which of the following is true about the car motion?A When t = 50 s, v = 0.B The gradient of the graph is

1.0 m s–2.C v is directly proportional to t.D The equation of the graph is v =

60 – t.

49 A general statement which is assumed to be true before an investigation. It state the relationship between the manipulated variable and the responding variable. The statement is calledA observation C hypothesisB inferens D conclusion

50 Which of the following steps is not necessary when plotting a graph?A The responding variable on y-

axis. B The variable line drawn through

the origin.C x-axis and y-axis must labelled

with physical quantity and its unitD All point should marked correctly

in the graph.

51 Which of the following graphs shows the correct way to draw the best straight line?A C

B D



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52 The graph in Diagram 7 shows the motion of a bicycle on a straight line.

Diagram 7 What is the gradient of the graph?A 0.30 m s–2 C 5.0 m s–2

B 1.0 m s–2 D 0.20 m s–2

53 The graph in Diagram 8 shows the relationship of T2 and m in a simple pendulum oscillation.

Diagram 8 Which of the following equations shows the relationship between the variables T2 and m?

A T 2 = 0.02 mB T = 0.02 m2

C T 2 = 50 mD T = 50 m2

54

Diagram 9 Rajah 9

Which of the following equations shows the relationship of y and x correctly based on the graph in Diagram 9?

A y = a + c C = x + c

B y = x + c D = ac – cx

55 Which of the following statements based on the graph in Diagram 10 is not true?

Diagram 10 A When x = 0.04, y = 20 NB Gradient = 500 N m–1

C F directly proportional to xD Area under the graph = 5.0 N m

56 Given the formula for a simple pendulum is

T =

where T is the period, l is the length and g is the acceleration due to gravity. Which of the following statement is true?A T directly peroportional to l.B T inversely proportional to g.C The graph of T2 against l is a

straight line.D The graph of T against l is a

straight line.

1 Diagram 1 shows a vernier calipers used to measure

external diameter of a water pipe.

Diagram 1 (a) (i) Name the part labelled P.

________________________________________

[1 mark](ii) What is the function of P?

________________________________________ [1 mark]

(b) (i) Write down the reading, in cm, for the diameter of the water pipe.

________________________________________ [1 mark]

(ii) Why is the external diameter measured at different positions?

________________________________________________________________________________

[1 mark](c) State one advantage of using a callipers compared with

using a ruler in millimeters for making this measurement.


PAPER 2 Section A


PAPER 1

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NAMA: _______________________________________________ TINGKATAN: ______________


____________________________________________ [1 mark]

2

Physics quantities Type of quantity Unit SI

Velocity

Density

Momentum

Electric charge

Force

Table 1 Complete the Table 1 by writing down the type of quantity and the corresponding S.I. units in the spaces provided.

[5 marks]

3 Diagram 2.1 shows the meniscus of water in a measuring cylinder. X, Y and Z are three eye positions while measuring the volume of the water.

Diagram 2.1 (a) (i) Which positions of the eye is correct while taking

the reading of the volume of water?

________________________________________ [1 mark]

(ii) Give one reason for the answer in (a)(i).________________________________________

[1 mark](b) The water in the measuring cylinder is replaced with

20 cm3 of mercury.(i) In Diagram 2.2, draw the meniscus of the mercury

in the measuring cylinder.

Diagram 2.2 [1 mark]

(ii) Explain what causes the shape of the meniscus of mercury you have drawn in (d)(i).________________________________________________________________________________

[1 mark]4

Diagram 3.1

Diagram 3.2 Diagram 3.1 shows a micrometer screw gauge with a zero error. Ahmad determines the thickness of a piece of paper using the following method.50 pieces of the papers are placed between anvil and spindle of the micrometer screw gauge. The spindle is moved closer to anvil by rotating ratchet until a ‘tick’ sound is heard and the reading of micrometer screw gauge is shown in Diagram 3.2.

(a) What is the zero reading of the micrometer screw gauge?______________________________________________

[1 mark](b) What is the actual thickness of 50 pieces of the papers?

[1 mark](c) Calculate the thickness of one piece of the paper.

[1 mark](d) While taking measurement, Ahmad is advised to rotate

the rachet but not the thimble. Why?______________________________________________

[1 mark]5 (a) Two bodies of masses M1 and M2 respectively are

separated at distance, r, from one another. Force of attraction, F, between the two bodies is given by equation.

F = G where G is a constant.

(i) State one scalar quantity and one vector quantity in the equation above.

________________________________________



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________________________________________ [1 markh]

(ii) State the units for F, M1, M2 and r in terms of base units and thus derive the unit for G.

[3 mark](b) (i) What is meant by accuracy of a measurement?

________________________________________ [1 mark]

(ii) State two ways to increase the accuracy of a reading by using a measuring instrument.

1.______________________________________

2.______________________________________ [2 marks]

6 (a) State the characteristics of a physical process which can be used to measure time. Hence, give an example.____________________________________________________________________________________________

[2 marks](b) The period, T, of a spring loaded with mass, m, with

spring constant, k, are related by the equation

T = 2π Compare the period of oscillation if spring loaded with

mass is oscillated vertically on the Earth and then on the Moon. Give reasons for your answer.__________________________________________________________________________________________________________________________________________

[3 marks]

7 Diagram 4.1 and 4.2 shows a vernier calipers and

a micrometer screw gauge used to measure the diameter of a glass rod.

Diagram 4.1

Diagram 4.2 (a) (i) What is meant by accuracy of a measurement?

[1 mark / 1 markah] (ii) With reference to Diagram 4.1 and Diagram 4.2,

compare the diameter readings taken and scales in both measuring instruments. Relate the diameter readings with the scale used to make a deduction regarding the relation between the sensitivity and accuracy.

[5 marks]


Section B


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(b) Explain why a zero error affects the accuracy and sensitivity of a measuring instrument.

[4 marks](c) (i) State two differences between random error and

systematic error. [2 marks]

(d) In an archery competition, a participant aims at the bull’s eye of a target. Each participant is allowed to have five trials. Complete the spaces below to represent the type of shots distribution after the arrows hit at the target.

(i) A distribution which is accurate and consistent.

(ii) A distribution which is not accurate and not consistent.

(iii) A distribution which is not accurate but consistent.

(iv) A distribution which is accurate but not consistent.

[8 marks]

8 (a) (i) Table 2 shows readings of diameters of a metallic

rod which are measured by using measuring instruments X, Y and Z.

Measuring instruments Diameters of rod/ cm

X 3.2

Y 3.23

Z 3.234

Table 2 Name the measuring instruments, X, Y and Z.

[3 marks]

(ii) In an experiment, a spring loaded with a mass oscillates vertically. The readings of the period of oscillating spring, T, in seconds and the corresponding mass, m, in grams is obtained for different masses.A graph of T2 against m is plotted as shown in Diagram 5.1.


Section C


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Diagram 5.1 Relationship between T and m is given by the

formula:

T2 = mwhere k is the spring constant.Calculate the value k, take m2 = 10. Hence, state the unit for k.

[4 marks](b) Diagram 5.2 shows two types of ammeters, P and Q

that can be used to measure electric current.P Q

Diagram 5.2 (i) What is meant by sensitivity?

[1 mark](ii) Which ammeter is more sensitive?

[1 mark](iii) State one reason for your answer in 8(b)(i).

[1 mark]

(c) You are selected to go to Antartic Zone to conduct a research on the weather. The surrounding temperature is around –50°C to –2 °C. One of the equipments to be brought along is a thermometer. Table 3 shows the characteristics of five types of thermometers, J, K, L, M, and N.

Ther-mometer Liquid Freezing

point

GlassWalled

bulb

Diameter of capillary

tube

Glass-bore stemt

J Mercury –39°C Thin Big Thick and curved

K Mercury –39°C Thin Small Thin and curved

L Alcohol –112°C Thick Big Thick and curved

M Alcohol –112°C Thin Small Thick and curved

N Alcohol –112°C Thick Small Thin and curved

Table 3 Based on the Table 3 above:

(i) Explain the suitability of each feature of thermometer in Table 3 for use in the project. Determine the thermometer that is most suitable to be used for your project and give reasons.

[10 marks]

1 A student carries out an experiment to determine relative

density, R of a liquid P. The apparatus set-up for this experiment is shown in Diagram 1.1.


PAPER 3 Section A


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Diagram 1.1The student starts the experiment by placing a total slotted mass of m = 60 g which is attached to one end of the spring.The scale reading, h on the half-meter rule is recorded with the aid of the pin. The experiment is repeated with total mass of 80 g, 100 g, 120 g, 140 g and 160 g. The corresponding scale readings are shown in Diagrams 1.2, 1.3, 1.4, 1.5, 1.6 and 1.7. Slotted masses with hanger are removed and replaced by an object, Q attached to the spring. The scale reading, h0 = 15.6 cm is recorded.

(a) For the experiment described, identify:(i) The manipulated variable

________________________________________ [1 mark]

(ii) The responding variable________________________________________

[1 mark](iii) The constant variable

________________________________________ [1 mark]

(b) (i) Record the readings, h, of the spring in Diagram 1.2, 1.3, 1.4, 1.5, 1.6 and 1.7.

[2 marks](ii) Tabulate your results for all values of m and h in

the space below.

[2 marks](c) On the graph paper , plot a graph of h against m.

[5 mark]

(d) Based on your graph in 1(c), state the relationship between h and m. ____________________________________________

[1 mark](e) A beaker containing water is brought vertically

upwards until object Q is fully immersed in water. The scale reading is recorded , hQ = 14.1 cm. The beaker containing water is replaced by beaker containing liquid, P. Raise the beaker until object Q is immersed fully in the liquid. The scale reading is recorded , hP = 14.4 cm. By using your graph, determine the mass m0, mQ and mP which correspond



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to h0, hQ and hP. Mark clearly on your graph to show how you obtain the values.

[3 marks](f) Calculate relative density, R of liquid P using the

equation:

R = [2 marks]


It phy f4 topical test 1 (e)

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