Explore topic-wise MCQs in Physics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the force of gravity experienced by an object at the centre of the earth? (Assume that the earth is perfectly spherical)

A. 0 g-force
B. 1 g-force
C. 9.81 g-force
D. 10 g-force
Answer» B. 1 g-force
Discussion
2.

The universal law of gravitation becomes more inapplicable as the size and distance between objects decreases.

A. True
B. False
Answer» B. False
Discussion
3.

Gravitational force is _____

A. an imaginary force
B. a long-range force
C. a short-range force
D. the strongest fundamental force
Answer» C. a short-range force
Discussion
4.

Gravitational force is the strongest fundamental force.

A. True
B. False
Answer» C.
Discussion
5.

The weight of an object can be zero but the mass of an object can never be zero.

A. True
B. False
Answer» B. False
Discussion
6.

The value of acceleration due to gravity of earth at the equator is less than that of the poles due to _____

A. shape and rotation of the earth
B. mass of the sun
C. mass of the earth
D. mass of the moon
Answer» B. mass of the sun
Discussion
7.

What will be the value of acceleration due to gravity on the surface of the earth if the radius of the earth suddenly decreases to 60% of its present value, keeping the mass of the earth unchanged?

A. 9.81 m/s<sup>2</sup>
B. 5.89 m/s<sup>2</sup>
C. 16.35 m/s<sup>2</sup>
D. 27.25 m/s<sup>2</sup>
Answer» E.
Discussion
8.

Which scientist introduced the universal law of gravitation?

A. Albert Einstein
B. Isaac Newton
C. Stephen Hawking
D. Nikola Tesla
Answer» C. Stephen Hawking
Discussion
9.

What is the gravitational force experienced by an object of 10kg 200m away from an object weighing 1 ton?

A. 1.6675 N
B. 2.6675 N
C. 3.6675 N
D. 4.6675 N
Answer» B. 2.6675 N
Discussion