1.

Imagine a light planet is revolving round a very massive star in a circular orbit of radius R with a time period of revolution T. If the gravitational force of attraction between the star and planetis propostional to R^(-n), then T^(2) is propostional to

Answer»

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

ANSWER :A


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