Gravitation-Gravitational Acceleration (AIIMS Physics): Questions 1 - 3 of 3

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Question number: 1

» Gravitation » Gravitational Acceleration

Appeared in Year: 2009

Assertion-Reason▾

Assertion (Ꭺ)

The difference in the value of acceleration due to gravity at pole and equator is proportional to square of angular velocity of earth.

Reason (Ꭱ)

The value of acceleration due to gravity is minimum at the equator and maximum at the pole.

Choices

Choice (4) Response
a. Ꭺ is true but Ꭱ is false
b. Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ
c. Ꭺ is false but Ꭱ is true
d. Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 2

» Gravitation » Gravitational Acceleration

MCQ▾

Question

If the radius of a planet is R and density of same planet is ρ , another planet having radius and density 2R and 3ρ respectively; then the ratio of accelerations due to gravity of these both planet is –

Choices

Choice (4) Response
a.

14

b.

16

c.

4

d.

6

Question number: 3

» Gravitation » Gravitational Acceleration

MCQ▾

Question

It the radius of the earth is reduced by 2 %, keeping the mass unchanged, what will be the change in acceleration due to gravity at the surface of the earth?

Choices

Choice (4) Response
a.

6

b.

4

c.

2

d.

8

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