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If g(h) is the acceleration due to gravi...

If `g_(h)` is the acceleration due to gravity at a height h above the earth's surface and R is the radius of the earth then, the critical velocity of a satellite revolving round the earth in a circular orbit at a height h is equal to

A

`sqrt(2h_(h)(R+h))`

B

`sqrt(g_(h)(R+h))`

C

`sqrt((2(R+h))/(g_(h)))`

D

`sqrt(((R+h))/(2_(g_(h))))`

Text Solution

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The correct Answer is:
b
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