Gravitation [BITSAT (Birla Institute of Technology & Science Admission Test) Physics]: Questions 1 - 7 of 15

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Question 1

Question

MCQ▾

If the gravitational force had varied as instead of . The potential energy of a particle at a distance from the centre of the earth would be proportional to

Choices

Choice (4)Response

a.

b.

c.

d.

Question 2

Question

MCQ▾

At what height from the earth surface, the acceleration of gravity will be half the value of at surface?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 3

Question

MCQ▾

The mass of the planet is of the mass of the earth and its radius is half that of the radius of the earth. If a body weighs on the earth, then what will be its weight on planet?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 4

Question

MCQ▾

The mass of moon is if the acceleration due to gravity on the moon is the radius of the moon is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 5

Question

MCQ▾

When you move from equator to pole, the value of acceleration due to gravity

Choices

Choice (4)Response

a.

Decreases

b.

Remains the same

c.

Increases then decreases.

d.

Increases

Question 6

Question

MCQ▾

The distance of a geostationary satellite from the centre of the earth (Radius, ) is nearest to –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 7

Question

MCQ▾

The ratio of energy required to raise a satellite to a height above the earth՚s surface to that required to put it into the orbit is –

Choices

Choice (4)Response

a.

b.

c.

d.

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