General Science - Physics

Welcome to General Science – Physics MCQ series of GKToday. As of today February 26, 2020, this series has 590 Questions. You may purchase a PDF E-Book compilation comprising all these questions and their answers with explanation from this link.

21. The work done in moving a body over a smooth inclined plane does not depend on which of the following?
[A] mass of the body
[B] height of the inclined plane
[C] slope of the inclined plane
[D] All of the above

Show Answer

22. Which of the following is/are correct about Kinetic energy?
[A] Kinetic energy can be positive or negative
[B] Kinetic energy is independent of frame of reference
[C] Both a and b
[D] None of the above

Show Answer

23. Which of the following is NOT an example of conservation of mechanical energy?
[A] Vibrations of a simple pendulum
[B] Motion of a small spherical ball over a watch glass
[C] Vibrations of an elastic spring
[D] None of the above

Show Answer

24. Which of the following is incorrect:
[A] Gravitational force of attraction is independent of nature of intervening medium
[B] Gravitational forces are central forces
[C] Gravitational forces are non-conservative forces
[D] All of the above

Show Answer

25. Which of the following is correct about acceleration due to gravity?
[A] it increases with depth
[B] it decreases with depth
[C] it is independent of depth
[D] None of the above

Show Answer

26. What will be the effect on the value of acceleration due to gravity at the poles if the rate of rotation of earth increases?
[A] No effect
[B] it will increase
[C] it will decrease
[D] it will become zero

Show Answer

27. Choose the correct statement about weight:
[A] It is a scalar quantity
[B] Its value is independent of g
[C] It is determined by a spring balance
[D] None of the above

Show Answer

28. On which of the following the escape velocity of a body does not depend?
[A] Mass of the body
[B] Radius of the planet
[C] Mass of the planet
[D] None of the above

Show Answer

29. The angular momentum of a satellite depends on which of the following?
[A] Mass of the satellite
[B] Mass of the planet
[C] Radius of orbit of satellite
[D] All of the above

Show Answer

30. Which of the following is an essential condition for geostationary satellites of earth?
[A] It should rotate from west to east
[B] Its period of revolution should be 24 hours
[C] It should be at a height of nearly 36000 km above the equator
[D] All of the above

Show Answer

Advertisement

Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...