# Gravitation (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 4 of 6

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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

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## Question number: 2

» Gravitation » Kepler's Laws of Planetary Motion

MCQ▾

### Question

The distance of two planets from the sun are in the ratio 3: 1. Assuming that they are moving in circular orbits, what will be the ratio of their time periods?

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 3

» Gravitation » Kepler's Laws of Planetary Motion

MCQ▾

### Question

A geo – stationary satellite orbiting the earth at a height 3R from the earth surface with time period of 2T. Another satellite is orbiting the earth at a height 0.6 R from the earth surface. Find the time period of this satellite.

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 4

» Gravitation » Escape Velocity

MCQ▾

### Question

and are escape velocities on two planets whose radii are in the ratio 3: 1 and densities are in the ratio 1: 9. What is the relationship between and?

### Choices

Choice (4) Response

a.

b.

c.

d.

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