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SMJK CHUNG LING PULAU PINANG

SPM TRIAL EXAMINATION 2011

PHYSICS PAPER 1

CLASS: _________________ TIME: 1 H 15 MIN

NAME: ___________________________

Answer all questions

1. Diagram 1 shows a wire winding round

a pencil to measure its diameter by using

a ruler.

Diagram 1

The diameter of the wire is

A 0.08 cm C 0.80 cm

B 0.09 cm D 0.90 cm

2. Which of the following is true about

systematic errors?

A. Errors that occur because of mistakes

made when readings are taken from

the scale of the instrument used for

measurement.

B. Errors that are made when the

average of a number of readings is

not taken

C. Errors that are due to the measuring

instrument.

D. Errors that are due to the position of

the eye of the observer

3. The current, I in a uniform wire is

inversely proportional to its length, l if

the potential difference, V is constant.

Which of the following graphs

represents the relationship between I and

l?

4.

The volumes of three liquids, K, L and

M are as shown above. Which of the

following is the correct arrangement of

the liquids according to volume, in

descending order?

A L, K, M C M, L, K

B L, M, K D M, K, L

5. Diagram 2 shows the zero mark of a

vernier calipers. Diagram 3 shows the

reading produced when it is used to

measured the thickness of a wooden

block.

Diagram 2 Diagram 3

K = 29 cm3

L = 2900 mm3

M = 2.9×10-4 m3

2

Which of the following is the

measurement of the thickness of the

wooden block?

A 3.11 cm C 3.21 cm

B 3.15 cm D 3.66 cm

6. The graph in Diagram 4 shows the

motion of an object.

Diagram 4

What is the distance moved by the object

when it travels with constant velocity?

A 40 m C 120 m

B 80 m D 160 m

7. The Diagram 5 shows the velocity-time

graph of an object.

Diagram 5

What can be said about the resultant

force acting on the object?

A. It is zero

B. It is constant

C. It is increasing

D. It is decreasing

8. An object is moving in a straight line at

6 ms-1

when a constant force acts on it

from the opposite direction. If the force

is held constant for a long time, how will

the object move?

A. It will stop moving immediately

when the force is applied.

B. It will decelerate and then stop.

C. It will decelerate, stop and then

move in the opposite direction with a

constant acceleration.

D. It will decelerate, stop and then

move in the opposite direction with a

constant speed.

9. Tom, Dick, Ali and Raju stand on

concrete steps as shown in the Diagram

6. Each person carries an equally sized

sphere of different mass. They drop the

spheres onto a smooth level sand pit.

Diagram 6

Whose sphere would sink the deepest in

the sand?

A Tom’s C Ali’s

B Dick’s D Raju’s

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10. Two loads, W1 and W2 are attached to

the ends of a rope PQ which is hung

over a frictionless pulley as shown in the

Diagram 7.

Diagram 7

Load W1 moves downwards when it is

released from rest. Which of the

following statement is true?

A. Load W1 moves downwards with

uniform acceleration.

B. Load W2 moves upwards with

uniform velocity.

C. Tension in the rope equals to W2.

D. Tension in the rope equals to (W1 +

W2)

11. Diagram 8 shows a strip of ticker-tape

before and after the collision of trolleys

A and B. Trolley B is stationary before

the collision, Trolley A and B are stuck

and move in one direction after collision.

Diagram 8

If the mass of trolley B is 10 kg, find the

mass of trolley A.

A 10 kg C 20 kg

B 15 kg D 22 kg

12. Diagram 9 shows three identical springs

fixed onto a wall. A piece of plank is

placed on a smooth surface at the end of

the springs. A force F is applied to move

the plank towards the wall.

Diagram 9

Which of the following graphs shows the

variation of force with distance correctly?

13. Diagram 10 shows a cuboid measuring 4

cm × 5 cm × 20 cm with a density of 4.0

g cm-3

. The minimum pressure that can

be exerted by the cuboid is

Diagram 10

A 1600 Pa C 6325 Pa

B 5500 Pa D 8000 Pa

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14. Diagram 11 shows four containers filled

with same coloured liquid.

Diagram 11

At which of the points, P, Q, R or S is

the pressure the lowest?

A P B Q C R D S

15. The Diagram 12 shows a mercury

barometer. The atmospheric pressure is

100 000 Pa. What is the pressure at X?

Diagram 12

A 20 000 Pa C 120 000 Pa

B 80 000 Pa D 180 000 Pa

16. Diagram 13 shows a hydraulic pump.

Diagram 13

The cross-sectional area of piston P and

piston Q is 5 cm2 and 100 cm

2

respectively. If load X is displaced 0.5

cm upward by piston Q, how far is

piston P displaced downward?

A 5 cm C 12 cm

B 10 cm D 15 cm

17. Diagram 14 shows the reading a spring

balance when a load of mass m is in air

and when the load is immersed in water.

Diagram 14

The buoyant force on the load by the

water is equal to

A. α + β

B. α – β

C. β – α

D. (α + β) – mg

18. Which of the following does not operate

using Bernoulli’s principle?

A. Bunsen burner

B. Carburettor

C. Perfume sprayer

D. Hydrometer

19. The Diagram 15 shows a mercury-in-

glass thermometer. The distance

between -10˚C and 110˚C is 25 cm.

Diagram 15

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At what temperature will the mercury

thread be 15 cm long?

A 50 ˚C C 62 ˚C

B 60 ˚C D 72 ˚C

20. Which of the following pairs of object

have different specific heat capacities?

A. 1 kg of water at 15˚C and 1 kg of

water at 30˚C

B. A rectangular block of aluminium of

mass 1 kg and a cylindrical block of

aluminium of mass 1 kg

C. 1 kg of coil in a glass container and 1

kg of oil in a metal container

D. 1 kg of solid naphthalene and 1 kg of

liquid naphthalene

21. Latent heat of vaporization is greater

than the latent heat of fusion. Which

statement below describes the above

statement correctly?

A. When a substance changes from

solid to liquid state, the kinetic

energy of atoms remains unchanged.

B. Latent heat of fusion is used to break

the bonds between the atoms of the

solid.

C. Latent heat of vaporization is used to

increase the kinetic energy of the

atoms.

D. When a substance changes from

liquid state to gaseous state,

additional work has to be done to

overcome the atmospheric pressure.

22. Diagram 16 shows a cylinder containing

gas of 30˚C at atmospheric pressure. If

the gas is heated so that it expands from

length l to length 2l as shown in the

Diagram 17, what is the final

temperature of the gas?

Diagram 16 Diagram 17

A 35 ˚C C 333 ˚C

B 65 ˚C D 370 ˚C

23. A beam of light from a torch light is

aimed at an arrangement of four flat

mirrors. Which diagram shows the path

that the light beam follows?

24. An object is placed between the focal

point F and the centre of curvature C of

a concave mirror as shown in the

Diagram 18. The radius of curvature is

20 cm.

Diagram 18

How far should the object be moved

from its original position, so that an

image of the same size is produced?

A 6 cm C 14 cm

B 10 cm D 20 cm

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25. Diagram 19 shows an object which is

placed at 4 cm from the centre of a

convex lens, with a focal length of 20

cm.

Diagram 19

Which of the following characteristics of

the image is incorrect when the object is

placed at 10 cm, 15 cm, 35 cm and 45

cm from the lens?

u / cm Characteristics of the

image

A 10 Virtual, magnified

B 15 Virtual, magnified

C 35 Real, diminished

D 45 Real, diminished

26. Diagram 20 shows a light ray travelling

from air into a glass prism.

Diagram 20

What is the critical angle of the glass?

A 43˚ C 68˚

B 47˚ D 69˚

27. In designing a simple astronomical

telescope with magnification of 4, which

pair of convex lens should be used?

Focal length of

Objective lens,fo Eyepiece, fe

A 5 cm 20 cm

B 10 cm 40 cm

C 15 cm 11 cm

D 16 cm 4 cm

28. Diagram 21 shows a wavefront pattern

produced by a spherical dipper. The

dipper is attached to a motor which is

vibrating at a frequency of 20 Hz in a

ripple tank.

Diagram 21

Determine the speed of the wave.

A 300 cms-1

C 0.75 cms-1

B 60 cms-1

D 1.33 cms-1

29. The Diagram 22 shows the waves in a

ripple tank in which the water in parts P

and Q is of different depth. Which

conclusion can be made about the speed

and the wavelength of the waves in P

and Q?

Diagram 22

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A. V1 is greater than V2. The

wavelength is greater in Q.

B. V1 is greater than V2. The

wavelength is greater in P.

C. V1 is less than V2. The wavelength is

greater in Q.

D. V1 is less than V2. The wavelength is

greater in P.

30. Diagram 23 shows the fringes obtained

from a double-slit experiment using a

monochromatic light of wavelength 5

μm. The separation of the double slit is

0.15 mm.

Diagram 23

What is the distance between the double

slit and the screen?

A 6 m C 15 m

B 9 m D 18 m

31. The Diagram 24 shows a tuning fork that

emits note. A microphone is held at a

distance from the tuning fork. The note

detected by the microphone is displayed

on an oscilloscope.

Diagram 24

The trace on the oscilloscope is as

shown in the Diagram 25

Diagram 25

If the microphone is moved further away

from the tuning fork, what will the trace

on the oscilloscope look like?

32. Diagram 26 shows a piece of glass plate

submerged in the water.

Diagram 26

Which of the following shows the

direction in which the wave travels after

passing through the glass plate?

33. Diagram 27 shows an electromagnetic

spectrum.

Diagram 27

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Which of the following represents S, T,

U and V

S T U V

A X-ray Ultravio

let

Infrared Radio

waves

B Infrared Ultravio

let

X-ray Radio

waves

C X-ray Radio

waves

Ultravi

olet

Infrare

d

D Ultravio

let

Infrared X-ray Radio

waves

34. A uniform resistance wire X is

connected in a circuit as shown in the

Diagram 28

Diagram 28

When a length of 80 cm of wire X is

used in the circuit, the voltmeter and

ammeter readings are 1.2 V and 0.4 A

respectively.

What is the resistance of 160 cm of wire?

A 1.5 Ω C 4.5 Ω

B 3.0 Ω D 6.0 Ω

35. Each of the circuits in the Diagram 29

contains a cell and three resistors R1, R2

and R3 which are similar.

Diagram 2

Which of the following actually have the

same arrangement?

A P and Q C Q and R

B P and R D R and S

36. The Diagram 30 shows a torch which

contains two new dry cells in series.

Each cell has an e.m.f of 1.5 V and an

internal resistance of 0.5 Ω.

Diagram 30

If the bulb has a resistance of 1.0 Ω,

what is the current in the bulb?

A 0.75 A C 1.20 A

B 1.00 A D 1.50 A

37. A charged sphere at Y experienced a

force of 3 N to the right when it is placed

between the two charged plates as shown

in the Diagram 31

Diagram 31

What is the type of charge on Y and

what is the force acting on it when it is

moved to the middle of the two plates?

Charge on Y Force exerted on Y

A Positive 3 N

B Negative 3 N

C Positive 4.5 N

D Negative 4.5 N

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38. Four resistors R1, R2, R3 and R4 are

connected as shown in the Diagram 32

Diagram 32

When the switch is closed, which

resistor will dissipate at the highest rate?

A R1 C R3

B R2 D R4

39. The Diagram 33 shows an electromagnet

with the switch T open. A bar magnet is

placed near it.

Diagram 33

When the switch is closed, in which

direction will the bar magnet move?

A J B K C L D M

40. The Diagram 34 shows a brass rod

supported on two copper rails which are

connected to a battery. The North pole of

the magnet is placed as shown beneath

the rails. In which of the directions A, B,

C and D does the brass rod experience a

force?

Diagram 34

41. The Diagram 35 shows two iron rods

suspended side by side inside a coil by

two elastic cords. When the circuit is

closed at K, what will happen to the rods?

Diagram 35

A. The rods repel each other.

B. The rods attract each other.

C. The rods move upwards.

D. The rods move downwards.

42. The Diagram 36 shows a magnet moving

into a solenoid.

Diagram 36

Which of the following changes would

cause the needle to deflect in the

opposite direction?

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A. Push the solenoid towards the

magnet.

B. Pull the South pole away from the

solenoid.

C. Move the magnet and the solenoid at

the same speed to the right.

D. Move the solenoid away from the

magnet and keep the magnet

stationary.

43. The Diagram 37 shows a generator with

its coil in the horizontal position.

Diagram 37

What type of generator is this and at

what position of the coil will the

generator produce maximum induced

e.m.f?

Type of

generator

Coil position

A a.c. generator Vertical

B d.c. generator Vertical

C a.c. generator Horizontal

D d.c. generator Horizontal

44. Diagram 38 shows two designs of iron

core for making transformers.

Diagram 38

Design L is more efficient than design K

because

A. L has less eddy current loses.

B. K has more leakage of magnetic flux

C. K has less magnetization and

demagnetisation

D. L has less heating effect in the wires.

45. The impurity atom that is doped into

silicon to form the n-type semiconductor

is a

A. monovalent atom

B. divalent atom

C. trivalent atom

D. pentavalent atom

46. The Diagram 39 shows the trace

obtained when the generator is

connected to the input terminals of a

cathode ray oscilloscope. Assuming that

the Y-gain is set at 10 Vcm-1

and the

time-base is at 2.0 ms cm-1

, what is the

frequency of the rotation of the coil and

the output peak voltage of the generator?

Diagram 39

Peak voltage / V Frequency / Hz

A 15 500

B 15 200

C 30 500

D 30 200

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47. Diagram 40 shows an automatic switch

circuit that lights up a bulb during

daytime.

Diagram 40

What is the modification that needs to be

done to light up the bulb at night?

A. Interchange R1 and R2

B. Interchange R1 and R3

C. Replace the n-p-n transistor with p-

n-p transistor

D. Reverse the terminals of the batteries

48. Diagram 41 shows a logic gate circuit.

Diagram 41

Which of the following is the correct

truth table for the above logic gate?

49. The carbon in the body of all animals

contains some radioactive carbon. At the

time when any animal dies, each gram of

carbon in its body emits about 16 beta

particles per minute. Some animal

remains are discovered. It is found that 4

beta particles are emitted per minute for

each gram of carbon in the remains. The

half-life radioactive carbon is 6000 years.

How old are the remains of the animals?

A 1500 years C 6000 years

B 3000 years D 12 000 years

50. Which of the following diagrams

correctly shows deflection of α, β and γ

rays in a uniform magnetic field pointing

into the paper?

- Questions End

Set by NK LEE

Checked by WK CHIN

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