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The height at which the value of g is ha...

The height at which the value of `g` is half that on the surface of the earth of radius `R` is

A

`R`

B

`2R`

C

`0.414 R`

D

`0.75R`

Text Solution

Verified by Experts

The correct Answer is:
C
`(g_(h))/g=(R^(2))/((R+h)^(2)),` Given `h=R//2`
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Knowledge Check

  • The orbital velocity of a body at height h above the surface of Earth is 36% of that near the surface of the Earth of radius R. If the escape velocity at the surface of Earth is 11.2 km s_(-1) , then its value at the height h will be

    A
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