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WorksheetsSc Physics 1.3
Total questions: 20
Worksheet time: 40mins
The bob of the pendulum is pulled to position P and then released. The period of the pendulum is found to be 0.60 s. What is the time taken for the pendulum to swing from P to O and to swing 20 oscillations?
From P to O 20 oscillations
0.15 s 6 s
0.15 s 12 s
0.30 s 6 s
0.30 s 12 s
The diagrams show parts of a micrometer screw gauge and a pair of vernier calipers.
What are the readings shown?
micrometer screw gauge (mm) vernier calipers (cm)
4.47 10.44
4.47 14.40
4.97 10.44
4.97 14.40
What is the order of magnitude of the diameter of the Earth?
1 x 103 m
1 x 105 m
1 x 107 m
1 x 109 m
As a car prepares to stop when it approaches the red light of a traffic junction, what can we say about its velocity and acceleration?
The velocity is decreasing and the acceleration is positive.
The velocity is decreasing and the acceleration is negative.
The velocity is increasing and the acceleration is positive.
The velocity is increasing and the acceleration is negative.
A body is allowed to fall from rest through air. It reaches its constant speed. Which graph below shows how the speed of the ball changes with time?
A block of mass 0.60 kg is placed on a rough horizontal surface. A force of 12 N is applied to the block and it accelerates at 4.0 m/s2.
What is the magnitude of the frictional force acting on the block?
2.4 N
5.3 N
6.7 N
9.6 N
A farmer has two carts. The carts have the same weight, but one has narrow wheels and the other has wide wheels.
In rainy weather, which cart sinks less into soft ground, and why?
cart with narrow wheel, greater pressure on the ground
cart with narrow wheel, less pressure on the ground
cart with wide wheel, greater pressure on the ground
cart with wide wheel, less pressure on the ground
Which of the following buckets is easier to push?
bucket 1 as it has a smaller mass.
bucket 2 as it has a bigger mass.
the same as both their weights are the same.
there is not enough information.
The diagram shows a single brick and a pile of three bricks. All the bricks are identical.
Compared to the single brick, the pile of bricks has
the same density but three times the volume and mass.
the same mass but three times the density and volume.
the same volume but three times the density and mass.
three times the mass, volume and density.
A non-uniform block is balanced on a table edge such that it remains horizontal and does not topple. Which of the following points can possibly be its centre of gravity?
A
B
C
D
Which of the following shows a sphere in neutral equilibrium?
A man weighs 70 kg. He runs up stairs of total height 5 m in 4 s. What is the power exerted by the man?
87.5 W
175 W
875 W
1400 W
In terms of the simple kinetic theory of matter, why does temperature increase as a liquid is heated?
the average spacing between the molecules becomes larger.
the interaction between the molecules becomes stronger.
the average speed of the molecules increases.
the collision rate of the molecules increases.
Illuminated smoke particles, suspended in air, are viewed with a microscope. They are seen to move randomly. This is because the smoke particles are
bombarded continually by air molecules.
moved about by convection currents.
shaken by the vibrations of the molecules within them.
supplied with energy by the light illuminating them.
In the diagram below, the displacement of a transverse wave is plotted. What does the length PQ on the time axis represent?
half the frequency
half the period
half the wavelength
twice the period
The light source S is adjusted so that its image coincides with S as shown.What is the focal length of the convex lens?
10 cm
15 cm
20 cm
45 cm
Which of the following best describes the image produced by an object placed 2f from a converging lens of focal length f?
(1) real
(2) inverted
(3) diminished
(1) only
(3) only
(1) and (2)
(1), (2) and (3)
A dry cell of e.m.f. 3 V has a wire connected to its terminals. If 12 C of charge passes through the circuit, what amount of chemical energy is transformed into electrical energy?
0.25 J
3.6 J
4.0 J
36 J
Two students, X and Y, take turns to whistle into a microphone connected to an oscilloscope. The sound waves produced are displayed on the oscilloscope as shown below. Which of the following statements is correct?
X whistles louder and at a higher pitch than Y.
X whistles louder and at a lower pitch than Y.
Y whistles louder and at a higher pitch than X.
Y whistles louder and at a lower pitch than X.
Which diagram shows the electric field pattern between two charged spheres?
