1. The dimensions of momentum are
A. MLT B. ML-1T-1 C. MLT-1 D. ML-1T
A. MLT B. ML-1T-1 C. MLT-1 D. ML-1T
2. A student measures the volume of a liquid using
a measuring cylinder. What else needs to be measured by the student in order to
determine the density of the liquid? A.
Depth of the liquid in the cylinder
B. Mass of the cylinder C. Mass
of the liquid D. Temperature of the
liquid
3.
The diagram above represents the graph of stress
against strain for an elastic wire. The point Q on the graph is the A. Elastic limit B. Breaking point C. Yield point D. Proportional limit
4. A ball is
dropped from the top of a tower. Due to air resistance, it reaches terminal
velocity. Which of the following statement(s) about its motion is/are correct? i.
The acceleration of the ball is zero. ii. The net force on the ball is zero. iii.
The velocity of the ball increases.
A. i only B.
i and ii only C. ii and iii only D. i, ii and iii
5. Which of the following substances lowers the
surface tension of water?
A. metal
B. sand C. detergent D. paper
6. An object of volume 400cm3 and 2.5g/cm3
is suspended from a spring balance
with half its volume immersed in water. Determine the reading on the spring
balance. (Density of water = 1g/cm3)
A. 1200g B. 1000g C. 800g D. 400g
7.
The diagram given illustrates a force-distance graph for the motion of a wooden block. Determine the work done on the block when moved through a distance of 5m.
A. 4J B. 15J C. 5J D. 100J
8. The two positions of a body undergoing a
uniformly accelerated motion are (10s, 10ms-1) and (30s, 50m/s) on
the velocity-time graph. Calculate the
magnitude of the acceleration of the body.
A. 0.5m/s2 B. 2.0m/s2 C. 10.0m/s2 D. 40.0m/s2
9. At a birthday party, the celebrant pops a corked
fruit wine. If the cork shoots out of the bottle at an angle of 40o
to the horizontal and travels a horizontal distance of 4.50m in 1.25s.
Calculate the initial speed of the cork.
A. 4.2m/s B. 4.7m/s C. 5.6m/s D. 7.1m/s
10. A uniform metre rule is balanced on a fulcrum
placed at the 35cm mark by suspending a mass of 120g at the 10cm mark.
Calculate the mass of the metre rule.
A. 60g B. 80g C. 120g D. 200g
11.
A plank is placed along the path on which a wheel
barrow containing sand is pushed at a construction site to prevent it from
sticking as illustrated in the diagram given. The large area of the plank
prevents the wheel barrow from getting stuck by
A. increasing the reaction on the ground B.
increasing the pressure on the ground C. decreasing the pressure on the ground D. decreasing the weight on the ground
12. When a body is thrown vertically upwards, its
velocity at the maximum height is A. maximum B. zero C. double its initial value D. half
its initial value
13. Resonance occurs when one vibrating object
causes a second object to vibrate at its own natural
A. amplitude
B. speed C. frequency D. intensity
14. The mouth piece of a telephone handset converts
A. electrical energy to sound energy B. sound
energy to electrical energy C. sound
energy to radio wave D. radio wave to
sound energy
15. Four identical trolleys are loaded with
different masses and move along a straight road at the same speed. Which of the
trolleys has the greatest inertia.
16. In the clinical thermometer, the function of
the kink is to i. Prevent the back flow of mercury after use. ii. Ensure the
back flow of mercury after use. iii. Maintain the thermometric property of
mercury. iv. Allow the temperature attained to be read.
A. i only B.
i and ii only C. i and iv only D. iii and iv only
17. Which of the following statements correctly
defines the boiling point of a liquid? The temperature at which the
A. saturated vapour pressure equals the atmospheric
pressure
B. molecules leave the liquid at a rate equal to
the rate at which they return C.
molecules leave the liquid at a rate higher than that at which they return D. molecules leave the liquid at a rate lower
than the rate at which they return
18.
The diagram above given is used to determine the
A. boiling point of water B. atmospheric pressure
19. An aluminium rod of length 1.8m at 100C
is heated to produce a difference in
length of 0.007m. Calculate the temperature to which it is heated. (Linear
expansivity of aluminium = 2.3 x 10-5K-1)
A. 155oC
B. 160oC C. 169oC D. 179oC
20. A mercury-in-glass thermometer read 4cm at ice
point and 29cm at steam point. Calculate the temperature when the mercury level
is at 9cm
A. 13oC
B. 20oC C. 33oC D. 38oC
21. The continuous stirring in the method of
mixtures to determine the specific thermal capacity of a substance ensures
A. continuous dissipation of heat to the room
B. uniform distribution of thermal energy to all
parts of the mixture
C. that the thermal energy is confined to the
mixture
D. that there is rapid heat exchange
22. Which of the following statements is correct
about the effect of dissolved salt on the freezing point of water?
A. the freezing point is lowered B. the freezing point is increased C. there is no change in the freezing point
D. the change in the freezing point depends on the
temperature of the surrounding
23. A pressurized perfume bottle is left on the
window pane of a room. What happens to the gas molecules of the perfume on a
sunny day? They
A. expand B.
collide less often C. move more rapidly
D. contract
24. Given that v, f and λ are the velocity,
frequency and wavelength of a wave respectively. Which of the following
equations is correct?
A. v = f2λ
B. f = v/λ
C. f = v/λ2
D. λ =f/v2
25. Three letters are placed in front of a plane
mirror as illustrated in the diagram below. The image formed is illustrated by
26. The distance between two successive troughs of
a wave is 0.4m. If the frequency of the source is 825 Hz, calculate the speed
of the wave
A. 165.0 ms-1
B. 330.0 ms-1
C. 412.5 ms-1
D. 825.0 ms-1
27. X-rays and infrared rays are both
electromagnetic. Which common property do the waves have? Both waves
A. are longitudinal
B. have same frequency
C. have the same wavelength
D. travel at the same speed in a vacuum
28. The image formed by a concave mirror is real,
inverted and magnified, when object is placed
A. at the focus
B. at the centre of curvature
C. beyond the centre of curvature
D. between the centre of curvature and the focus
29. Total internal reflection. i. is a phenomenon
of refraction of light. ii. occurs when light rays travel into a denser medium.
iii. occurs when the critical angle is just exceeded. iv. is a phenomenon of
reflection of light. Which of the statements above are correct?
A. i and ii only
B. i and iii only
C. i, ii and iii only
D. i, iii and iv only
30. Complementary colours are those which
A. have the same refractive index
B. have the same wavelength
C. add-up to produce black light
D. add-up to produce white light
31.
The diagram given illustrates the waveform of a note
produced by vibrations in an air column of length L. If the speed of sound in
air is V, derive an expression for the frequency of the notes
A. V/L
B. 5VL/2
C. 5L/4V
D. 5V/4L
32. The pair of musical instruments that works on
the vibration of air in pipes is
A. piano and the organ
B. guitar and the flute
C. trumpet and the violin
D. flute and the trumpet
33. An astronomical telescope has objectives and
eye-piece lenses of focal length 3.5m and 5cm respectively. Determine the
magnifying power of the telescope when in normal adjustment
B. 17.5
C. 7.0
D. 0.7
34. An aluminium cable of diameter 4 x 10-3m
and resistivity 3.0 x 10-8m has a resistance of 21Ω.
Calculate the length of the cable. (p=3.14)
A. 8.0 x 102m
B. 8.8 x 103m
C. 8.0 x 104m
D. 8.8 x 104m
35 .
The ammeter A2 shown in the circuit diagram above reads 3.0 A . Determine the reading of the ammeter A1
A. 12A
B. 9A
C. 7A
D. 2A
36. The electricity meters in houses measure energy
unit consumed in
A. kilowatt-hour
B. volt
C. ampere
D. coulomb
37. A man and his friend have masses 70kg and 60kg
respectively. If they are seated 1.0m apart, calculate the gravitational force
of attraction between them. (G = 6.67 x 10-11 Nm2 kg-2)
A. 1.59 x 10-14 N
B. 2.80 x 10-7 N
C. 1.30 x 10-2 N
D. 6.30 x 1013 N
38. The p.d across a parallel-plate capacitor is 103V.
If the distance between the two plates is 10cm. Calculate the magnitude of the
electric field strength between the plates.
A. 1.0 x 104Vm-1
B. 1.0 x 105Vm-1
C. 1.5 x 105Vm-1
D. 2.0 x 105Vm-1
39. Two different materials, rubbed against each
other acquired opposite charges when separated. This is an example of charging
by
A. induction
B. friction
C. conduction
D. convection
40. Which of the following factors does not affect
the e.m.f of a primary cell? Its
A. size
B. internal resistance
C. operating temperature
D. duration of usage
41.
Two magnets are used to magnetize a soft iron bar PQ as illustrated in the diagram given. The correct polarity at P and Q respectively
A. S and N
B. N and S
C. S and S
D. N and S
42. In storing magnets, keepers are used to
A. reduced self-demagnetization
B. cancel the effect of the earth's magnetic field
C. protect the magnet from stray electric field
D. increase the strength of the magnets
43. A 10µC charge moves with a velocity of 1.0 x 105
ms-1 at right angle to a uniform magnetic field of flux density 5.0
x 10-4T. Calculate the force on the charge
A. 5.0 x 10-5N
B. 5.0 x 10-4N
C. 5.0 x 105N
D. 5.0 x 106N
44. Which of the following statements is not
correct about steel and soft iron?
A. steel is more magnetized than soft iron
B. permanent magnets are usually made of steel
C. soft iron is more readily magnetized than steel
D. soft iron more readily loses its magnetism than
steel
45. What determines the polarity at the ends of an
electromagnet? The
A. magnitude of the current passing through the
wire
B. material of the core of the magnet
C. material of the coil
D. direction of current in the wire
46. How many beta particle(s) are emitted in the
radioactive decay of
A. 1
B. 2
C. 3
D. 5
47. The phenomenon by which two light atomic
nuclear combine to form a heavy nuclide with the release of energy is known as
A. radioactivity
B. nuclear fusion
C. nuclear fission
D. chain reaction
48 . Which of the following graphs is correct for
the decay of a radioactive substance with a half life of 2 years?
49. In a p-type semiconductor, the
A. number of holes, are equal to the number of
electrons
B. electrical resistivity increases
C. electrons are the majority charge carriers
D. holes are the majority charge carriers
50. Let Δx be the
uncertainty in the measurements of position and Δp the uncertainty in
measurement of momentum. The uncertainty principle relation is given as
A. Δx . Δp = h
B. Δx . Δp ≤
h
C. Δx . Δp ≥
h
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