The height at which the value of acceler...

The height at which the value of acceleration due to gravity becomes `50%` of that at the surface of the earth. (radius of the earth =`6400 km`) is

A

`2630`

B

`2640`

C

`2650`

D

`2660`

Text Solution

Verified by Experts

The correct Answer is:

C

`g'=4/3piGRrhorArr gpropRrho`

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