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The height at which the weight of the bo...

The height at which the weight of the body become `1/9` th its weight on the surface of earth (radius of earth R)

A

h=R

B

`h=2R`

C

`h=3R`

D

`h=R/2`

Text Solution

Verified by Experts

The correct Answer is:
B
`g.=g/((1+h/R)^(2))=g.=g/9`
`g/9=g/((1+h/R)^(2))implies1+h/R=3`
`h=2R`
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