AIPMT 2014 | Gravitation Question 30 | Physics

AIPMT 2014

MCQ (Single Correct Answer)

-1

Dependence of intensity of gravitational field (E) of earth with distance (r) from centre of earth is correctly represented by

AIPMT 2014 Physics - Gravitation Question 51 English Option 1

AIPMT 2014 Physics - Gravitation Question 51 English Option 2

AIPMT 2014 Physics - Gravitation Question 51 English Option 3

AIPMT 2014 Physics - Gravitation Question 51 English Option 4

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

The radius of a planet is twice the radius of earth. Both have almost equal average mass densities. V_P and V_E are escape velocities of the planet and the earth, respectively, then

V_P = 1.5 V_E

V_P = 2 V_E

V_E = 3 V_P

V_E = 1.5 V_P

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

A particle of mass 'm' is kept at rest at a height 3R from the surface of earth, where 'R' is radius of earth and 'M' is mass of earth. The minimum speed with which it should be projected , so that it does not return back, is
(g is acceleration due to gravity on the surface of earth)

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

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

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

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

NEET 2013

MCQ (Single Correct Answer)

-1

Infinite number of bodies, each of mass 2 kg are situated on x-axis at distance 1 m, 2 m, 4 m, 8 m, . . . , respectively, from the origin. The resulting gravitational potential due to this system at the origin will be

$$ - {4 \over 3}$$ G

$$-$$ 4G

$$-$$ G

$$ - {8 \over 3}$$ G

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