General Knowledge : : Physics Questions & Answers

  1. In order to derive the law of gravitation, Newton assume that the moon’s orbit is?

A. Circular

B. Parabolic

C. Straight

D. Uniform

  1. The motion of falling bodies towards earth is due to the?

A. Gravitational Force

B. Weightlessness

C. Acceleration due to gravity

D. Gravitational rotation

  1. A "black hole" is a body in space which does not allow any radiation to come out. This property is due to its:

A. very small size

B. very large size

C. very high density

D. very low size

  1. A noise level of 100 decibel would correspond to:

A. Just audible sound

B. Ordinary conversation

C. Sound from a noisy street

D. Noise from a machine shop

  1. The Universal law of gravitation must apply to?

A. The earth and the apple

B. The earth and the moon

C. Any pair of bodies

D. The planets around the Sun