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jkenkw4667
01.04.2020 •
Physics
.
CLEAR PATH COLLEGE,IBADAN.
Plot 1,PCDOS Estate, General-Gas Road, Bashorun-Akobo,Ibadan
Tel. No. 08023532870
http://portal4schools.com.ng/cpc
1. A stone slips off a building and falls through a distance h in 3s. Calculate h. [g = 10ms-2]
A. 15.0 m.
B. 30.0 m.
C. 45.0 m.
D. 90.0 m.
Your
2. Which of the following substances does not conduct electricity?
A. Graphite.
B. Glass.
C. Sulphuric acid.
D. Table salt solution.
Your
3. Which of the following instruments is appropriate for measuring the diameter of a table tennis ball?
A. Metre rule.
B. Micrometer screw gauge.
C. Measuring tape.
D. Vernier calipers.
Your
4. An object falls from the top of a roof to the ground. Assuming the effect of air resistance on the object is negligible, its
A. kinetic energy remains constant.
B. velocity remains constant.
C. acceleration remains constant.
D. momentum remains constant.
Your
5. In which of the following groups are all the forces of the same type?
A. Electric force, pull, attraction, friction.
B. Gravitational force, pull, repulsion, reaction.
C. Magnetic force, viscous force, thrust, push.
D. Action, reaction, tension, push.
Your
6. A gold leaf electroscope is to be charged by induction. Which of the following indicates the correct sequence of steps to be taken? I. Touch the cap with a finger. II. Bring a charged rod near the cap. III. Remove the charged rod. IV. Remove the finger from the cap.
A. I, II, III and IV.
B. II, III, I and IV.
C. II, I, IV and III.
D. II, I, III and IV.
Your
7. The rising of a liquid in an open ended glass tube of narrow bore is
A. Osmosis.
B. adhesion.
C. capillarity.
D. surface tension.
Your
8. Molecules of gases are more easily compressed than those of liquids because gas molecules are
A. closely packed together with high forces of attraction.
B. arranged in regular repeating patterns.
C. relatively immobile and only vibrate to and fro about a mean position.
D. wide apart and move about freely.
Your
9. A lorry moving with a velocity of 2 .5ms-1 accelerates at 10ms-2 for 4s. Calculate the distance covered.
A. 30.0m.
B. 35.0m.
C. 50.0m.
D. 90.0m.
Your
10. In which of the following activities is mechanical energy converted to electrical energy?
A. Falling water.
B. Glowing a bulb with an accumulator.
C. Irradiation of a solar panel by the sun.
D. Turning a dynamo with a moving bicycle wheel.
Your
11. Which of the following statements about speed and velocity is correct? They
A. have constant values for bodies in motion.
B. have the same unit of measurement.
C. are time rate of change of distance.
D. refer to bodies in uniform motion only.
Your
12. What is the distance covered by a car which travels with a constant speed of 20.8ms-1 for 30s?
A. 225.0m
B. 450.5m.
C. 6 2 4.0m.
D. 7 2 6.0m
Your
13. Which of the following sets has derived quantities only?
A. Acceleration, density and power.
B. Current, momentum and mass.
C. Luminous intensity, velocity and time.
D. Magnetic flux, force and length.
Your
14. The Vernier caliper has an accuracy of
A. 0.1 cm.
B. 0.01 cm.
C. 0.001 cm.
D. 0.0001 cm
Your
15. A car travels with a uniform speed of 20ms-1 along a straight horizontal road and overcomes a constant frictional force of 500 N. Calculate the engine power of the car.
A. 0.25 kW.
B. 5.00 kW.
C. 7.50 kW.
D. 10.00 kW.
Your
16. Which of the following statements defines elasticity of a body? The body
A. shows deformation after the deforming force has been removed.
B. cannot be extended.
C. can be compressed.
D. regains its original dimension when the deforming force is removed.
Your
17. The nucleon number of an atom is the total number of
A. electrons and protons.
B. electrons and neutrons.
C. neutrons minus electrons.
D. protons and neutrons.
Your
18. A crate of soft drinks is pushed towards the left across the floor of a bottling company. The frictional force on the crate is directed
A. towards the left.
B. towards the right.
C. vertically upward.
D. vertically downward.
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Ответ:
im so annoyed like i have 6 due assignments and im just tryna get points so please dont delete this cause i gotta search us the answers