AIPMT 2012 Prelims | Gravitation Question 39 | Physics

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

A geostationary satellite is orbiting the earth at a height of 5R above the surface of the earth, R being the radius of the earth. The time period of another satellite in hours at a height of 2R from the surface of the earth is

6$$\sqrt 2 $$

$${6 \over {\sqrt 2 }}$$

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

A spherical planet has a mass M_P and diameter D_P. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity, equal to

$${{4G{M_P}} \over {D_P^2}}$$

$${{G{M_P}m} \over {D_P^2}}$$

$${{G{M_P}} \over {D_P^2}}$$

$${{4G{M_P}m} \over {D_P^2}}$$

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

The height at which the weight of a body becomes $${\left( {{1 \over {16}}} \right)^{th}}$$, its weight on the surface of earth (radius R), is

15R

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The magnitude of the gravitational potential at a point sutuated at a/2 distance from the centre, will be :

$${{GM} \over a}$$

$${{2GM} \over a}$$

$${{3GM} \over a}$$

$${{4GM} \over a}$$

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