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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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