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Suppose the gravitational force varies i...

Suppose the gravitational force varies inversely as the `n^(th) `power of distance. Then the time period of a planet in circular orbit of radius R around the sun will be proportional to-

A

`R^((n+1)/2)`

B

`R^((n-1)/2)`

C

`R^n`

D

`R^((n-1)/2)`

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The correct Answer is:
A
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