AIPMT 2012 Mains | Gravitation Question 36 | Physics

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

If $${v_e}$$ is escape velocity and $${v_o}$$ is orbital velocity of a satellite for orbit close to the earth's surface, then these are related by

$${v_o} = \sqrt {2{v_e}} $$

v_o $$=$$ v_e

$${v_e} = \sqrt {2{v_o}} $$

$${v_e} = \sqrt 2 {v_o}$$

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

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