A satellite is revolving in a circular orbit at a height h from the earth surface, such that 
where R is the radius of the earth. Assuming that the effect of earth's atmosphere can be neglected the minimum increase in the speed required so that the satellite could escape from the gravitational field of earth is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2019
For a satellite orbiting close to the earth, orbital velocity is given by
Escape velocity 
is
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