F5 MID-TERM PHYSICS PAPER 1 (SMKRPK 2007)

8/14/2019 F5 MID-TERM PHYSICS PAPER 1 (SMKRPK 2007)

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SMKRPK/2007/F5/PPT_PHYSICS

1. Which of the following physical quantities is not a base quantity?A Weight B Time C Temperature D Electriccurrent

2. A radio station airs its programmes by transmitting waves at a

frequency of 102.3 MHz. How much is this frequency, in Hz?A 1.023 x 102 B 1.023 x 105 C 1.023 x 106 D 1.023 x 108

3. The density of a substance Z is 9.00 x102 kgm-3. In which liquid willsubstance Z sink?

Liquid Density of liquid /kgm-3

A J 7.90 x 102

B K 9.20 x 102

C L 1.03 x 103

D M 1.27 x 103

4.

Gases are more compressible than solids becauseA size of gas molecules > size of solid moleculesB density of gas molecules > density of solid moleculesC distance between gas molecules > distance between solid moleculesD force between gas molecules > force between solid molecules

5. The pressure of sea water at the bottom of an ocean is 1.3 x 108 Nm-2.What is the depth of the ocean?[Density of sea water = 1.02 x 103 kgm-3 ]A 1.27 x 104 m B 1.27 x 105 mC 1.27 x 106 m D 1.30 x 109 mE 1.33 x 1010 m

6. The following information are the characteristics of carbon basedcomposite substance.

P: Strong Q: Resistant to heat R: Resistant tocorrosion

Which combination of the characteristics is used in building the body ofairplane?A P and Q only B P and R only C Q and R onlyD P, Q and R

7. The air pressure in a car tyre is 200 kPa at a temperature of 25 OC.What is the air pressure in the tyre at a temperature of 37OC?[Assume the volume of the air in the tyre is a constant]A 135kPa B 190kPa C 192kPa D 208kPa E 296kPa

8. The process of combining audio and radio frequency signals is knownas

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A resonance B damping C modulation D rectification

9. Which of the following pairs is correctly matched?Answer Name of prefix Symbol of prefix Value

A Tera T 1012

B Nano N 10-9

C Pico P 10-12

D Micro 10-5

10. Given that period of oscillation of simple pendulum obeys the formula,T =2(l/g), where l is length of pendulum and g is acceleration due togravity. Which of the following statement is TRUE?A T is directly proportional to lB T is directly proportional to l1/2

C T2 is directly proportional to g

11. A weightlifter successfully lifting a load of 80 kg 2 m from ground.Calculate the work done in lifting the load.

A 30 J B 120 J C 600 J D 1600 J

12. A parachutist lands with his legs bent.Why he has to bend his legs?

A To lengthen the time of impact of his feet with the groundB To shorten the time of impact of his feet with the groundC To lengthen the time of falling to the ground

13. Diagram 1 shows a metal sphere oscillating on a frictionless track.

Diagram 1Which of the following statements is true?A The kinetic energy of the sphere metal is minimum at RB The potential energy of the metal sphere is maximum at P

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C The total energy of the metal sphere at S is higher than that at R

14.Diagram 2 shows two metal spheres, P and Q.

Diagram 2

Which of the following statements is true when P and Q are in free fall?A The gravitational forces acting on P and Q are the sameB The acceleration of P and Q are the sameC The velocity of P and Q are the sameD The momentum of P and Q are the same

15.Diagram 3 shows two trolleys, P and Q, on a frictionless plane. Trolley Pmoves and collides with the stationary trolley Q.

Diagram 3

Which of the following statements is true?A The collision is an elastic collisionB Both trolleys do not undergo changes in momentumC The total momentum before and after the collision is the sameD The kinetic energy before and after the collision is conserved

16.The reading of the spring balance is 50 N when it is hung in a stationary lift.What is the reading of the spring balance when the lift moves down with anacceleration of 2 ms-2? ( g = 10 ms-2)

A 100 NB 52 NC 40 ND 25 N

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17. Diagram 4 shows a coin and a feather experiences free fall in a vacuumcylinder.

Diagram 4

Which physical quantity is unchanged?

A VelocityB AccelerationC Kinetic energyD Momentum

18.Diagram 5 shows four different shapes of shoe heels worn by the same lady.

Diagram 5

Arrange the heels based on the pressure exerted on the ground, indescending order.A P, Q, R, SB S, P, Q, SC R, P, Q, SD S, Q, P, R

19.Diagram 6 shows the flow of air from X to Y in an underground tunnel.

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Diagram 6

Which of the following principles can be used to explain the abovephenomenon?A Pascals principleB Bernoullis principleC Archimedes principle

20.An aircraft is flying with constant velocity at altitude 3 km from sea level.Which of the following statements is TRUE?

A Lift is greater than total weight of the aircraftB Total weight of the aircraft is greater than liftC Thrust is greater than total air drag and frictionD Resultant force acting on the aircraft is zero

21.Diagram 7 shows a metal sphere at temperature of 90OC immersed in a liquidat temperature of 40OC.

Diagram 7

Whatisthe

temperature of the metal sphere when thermal equilibrium is achievedbetween the sphere and the liquid?A More than 90OCB Same as room temperatureC Less than 40OCD Between 40OC and 90OC

22.The graph shows the heating curve of a substance. Which of the followingphases labelled A, B, C or D, shows heat is absorbed during the meltingprocess?

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23.Which of the following is the correct magnification of a plane mirror?

A 0.5B 1.0C 1.5D 2.0

24.When two car, P and Q are travelling in the opposite direction, passingthrough a sharp bend. Which mirror is the most suitable to be placed at thesharp bend so that car P can see car Q?

A Plane mirror B Concave mirror C Convex mirror D Two plane mirrors at an angle of 60OC

25.Diagram 8 shows the formation of the image of an object by a convex lens.

Diagram 8If the height of the object is 2 cm, what is the height of the image?

A 6.50 cm B 4.50 cm C 4.00 cm D 3.25 cm E 2.25 cm

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26. Diagram 9 shows light rays travelling from glass to air at differentincident angles.

Diagram 9

Which angle is the critical angle of the glass?A pB qC rD s

27. Diagram 10 shows Ahmad taking an eye test. The distance betweenAhmad and the plane mirror is 1 m. Ali sees the image of the object in

the mirror.

Diagram 10

If the distance between the image and Ahmad is 5 m, what is thedistance between Ahmad and the object?A 2 mB 3 mC 4 mD 8 m

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28. A submarine transmitting ultrasonic waves directed at a big rock on the seabed. After 20 s, the submarine detects the reflected wave.

Calculate the distance of the submarine from the big rock.[Velocity of ultrasonic wave = 1560 ms-1]

A 3.9 kmB 7.8 kmC 15.6 kmD 156.6 km

29. Diagram 11 shows the cross section of water wave .

Diagram 11

Which of the following statements is true about the water wave?A T and U have the same phaseB Wave energy is transferred from position S to UC The wave length is the distance between S and UD The particle at U oscillate in a direction parallel to the direction of thewave propagation

30. What type of wave is the sound wave?A Transverse waveB Longitudinal waveC Electromagnetic wave

31. Which of the following statements is true about sound wave?A Sound wave can propagate in vacuumB Sound wave travels slower in solid medium than that in gas medium

C Sound wave propagates in air medium through the action ofrarefaction and compression on the air molecules

32. Diagram 12 shows the interference patterns for water waves from twocoherent sources, S1 and S2

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Diagram 12

Which of the following shows the superposition of the wave at point Y?

33. The range of frequency the sound detectable by a person with normalhearing isA 2 Hz to 200 HzB 2 Hz to 2 kHzC 20 Hz to 20 kHzD 200 Hz to 200 kHz

34. Quality of sound depends onA pitchB frequencyC wave form

35. Interference of wave can be explained by theA principle of superpositionB principle of conservation of energyC principle of conservation of momentum

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36. Which phenomenon of sound waves enables us to hear sound frombarricaded or obstructed places where we cannot see?A ReflectionB Refraction

C DiffractionD Interference

37. Bats can travel in the dark without knocking into the obstacles due to theapplication ofA Diffraction of sound wavesB Refraction of sound wavesC Reflection of sound waves

38.Which of the following waves are suitable for satellite transmission?A Infrared radiations

B Ultraviolet raysC MicrowavesD Visible light

39. Which of the following properties applies to X-rays, microwaves, ultravioletrays and infrared rays?A They have very high frequencyB They are damaging to healthC They are longitudinal wavesD They propagate in vacuum

40. A thin guitar string is strummed hard. It will produce a loud and high pitchsound. Which of the following graphs is the most suitable to represent theabove situation?

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41. A sound wave of wavelength 2m is travelling with speed 330 ms-1 in air.Calculate its frequency.A 165 Hz B 330 Hz C 660 Hz D 1320 Hz E 2640 Hz

42. Two waves, wave P and wave Q with amplitudes 5 cm and -3 cm respectivelytravelling along a string towards each other. What is the resultant amplitude whenthey meet

A 0 cm B 1 cm C 2 cm D 4 cm E 8 cm43.Three resistors of 3 are connected parallel, what is the combinedresistance?

A 27 B 9 C 6 D 3 E 1 `

44. The electric current supplied by a battery in a digital watch is3.0 x 10-5 A. What is the quantity of charge that flow in 2 hours?

A 2.5 x 10-7

C B 1.5 x 10-5

C C 6.0 x 10-5

CD 3.6 x 10-3 C E 2.2 x 10-1 C

45. Diagram 13 is a graph which shows the relationship between the potentialdifference, V and the current of four different conductors, P, Q, R and S.

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Diagram 13

Which conductor has the highest resistance?A P B Q C R D S

46.

Label of a bulb shows 12 V, 15 W. Calculate the amount of energyproduced if it is switched on for 1 hour?A 54,000 JB 50,000 JC 15,000 JD 10,800 JE 180 J

47. The charge flowing through a conductor consists ofA protons B electrons C neutrons

48.

Which of the following factors will affect the resistance of a conductor?A Type of materialB Length of the conductorC Cross-sectional area of the conductorD Answer A, B and C

49.When a potential difference of 12 V is applied across a conductor, it isfound that the current passing through the conductor is 0.2 A. What is theresistance of the conductor?A 60 B 50 C 40 D 30

50.Which of the following electrical devices is used to control electric currentflowing in a circuit?A RheostatB VoltmeterC Bulb

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F5 MID-TERM PHYSICS PAPER 1 (SMKRPK 2007)

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