1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
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
A
$$ - {4 \over 3}$$ G
B
$$-$$ 4G
C
$$-$$ G
D
$$ - {8 \over 3}$$ G
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A body of mass 'm' is taken from the earth's surface to the height equal to twice the radius (R) of the earth. The change in potential energy of body will be
A
3mgR
B
$${1 \over 3}$$mgR
C
mg2R
D
$${2 \over 3}$$ mgR
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following plots represents the variation of gravitiational field on a particle with distance r due to a thin spherical shell of radius R? (r is measured from the centre of the spherical shell)
A
AIPMT 2012 Mains Physics - Gravitation Question 42 English Option 1
B
AIPMT 2012 Mains Physics - Gravitation Question 42 English Option 2
C
AIPMT 2012 Mains Physics - Gravitation Question 42 English Option 3
D
AIPMT 2012 Mains Physics - Gravitation Question 42 English Option 4
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
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
A
$${v_o} = \sqrt {2{v_e}} $$
B
vo $$=$$ ve
C
$${v_e} = \sqrt {2{v_o}} $$
D
$${v_e} = \sqrt 2 {v_o}$$
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