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CTET Prep: Science Questions - Physics - Mechanics
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Mechanics is the area of mathematics and physics concerned with the relationships between force, matter, and motion among physical objects. Forces applied to objects result in displacements or changes of an object's position relative to its environment.

CTET Prep: Science Questions - Physics - Mechanics
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25 Questions

1. The mass of moon is 1 81 of earth’s mass and its radius is 1 4 of that of earth. If the escape velocity from the earth’s surface is 11.2 km/s, is value for the moon is
2. If a gymnast, standing on a rotating stool with his arms and stretched, suddenly lowers his arms
3. The angle of contact of a liquid with a solid does not depend on
4. Which of the following is a vector quantity?
5. With the rise of temperature, the surface tension of a liquid
6. Which of the following physical quantities have the same dimensions?
7. Two pieces of different metals, when completely immersed in water, experience equal upthrust, then
8. Consider the following statements:
1. A geo-stationary satellite is at an approximate height of 10,000 km.
2. FM transmission of music is a very good quality because the atmospheric or man made noises. Which are generally frequency variations can do little harm? Which of the statements give above is/are correct?
9. One fermimetre is equal to
10. Which of the following statements is false?
11. The earth revolves round the sun in one year. If the distance between them becomes double, the new period of revolution will be
12. Which of the following is a scalar quantity?
13. Which of the following is a scalar quantity?
14. A particle revolves round a circular path with a constant speed the acceleration of the particle is
15. Match List-I with List-II and select the correct answer from the codes given below: List-I List-II
A. Acceleration 1. Joule
B. Force 2. Newton-second
C. Work done 3. Newton
D. Impulse 4. Metre per second Codes A B C D
16. When some detergent is added to water, the surface tension
17. When the velocity of a body is doubled
18. Which of the following graphs represents accelerated motion? s t
19. In an elastic collision
20. When two bodies stick together after the collision is said to be
21. A body is lifted by a man to height of 1 m in 30 seconds. Another man lifts the same mass to the same height in 60 seconds. The work done by them are in the ratio
22. If the earth were to stop rotating, the value of ‘g’
23. Three identical vessels A, B and C are filled with water, mercury and kerosene respectively up to a equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simultaneously, then which vessel is emptied first?
24. The ratio of the inertial mass to gravitational mass is equal to
25. If the radius of the earth’s orbit becomes one fourth of the present value, the deviation of one year will become