AIPMT 2003 | Gravitation Question 55 | Physics

AIPMT 2003

MCQ (Single Correct Answer)

-1

Two spheres of masses m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be

3 F

F/3

F/9

AIPMT 2003

MCQ (Single Correct Answer)

-1

The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height of 2 m on the surface of A. What is the height of jump by the same person on the planet B?

(2/9) m

18 m

6 m

(2/3) m

AIPMT 2003

MCQ (Single Correct Answer)

-1

A body of mass m is placed on earth's surface which is taken from earth surface to a height of h = 3R, then change in gravitational potential energy is

$${{mgR} \over 4}$$

$${2 \over 3}mgR$$

$${3 \over 4}mgR$$

$${{mgR} \over 2}$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

With what velocity should a particle be projected so that its height becomes equal to radius of earth?

$${\left( {{{GM} \over R}} \right)^{1/2}}$$

$${\left( {{{8GM} \over R}} \right)^{1/2}}$$

$${\left( {{{2GM} \over R}} \right)^{1/2}}$$

$${\left( {{{4GM} \over R}} \right)^{1/2}}$$

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