AIPMT 2012 Prelims | Gravitation Question 39 | Physics

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

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

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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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution