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If r denotes the mean distance of a plan...

If r denotes the mean distance of a planet from the sun and T is the time period of planet, then

A

`rpropT^(2//3)`

B

`rpropT^(3//2)`

C

`rpropT^(1//3)`

D

`rpropT`

Text Solution

Verified by Experts

(a) According to kepler's third law, the sqare of the time taken by theplanet to revolve around the sun is directly proptional to the cube of semi-major axis of its elliptical path.
i.e. `T^(2)propr^(3)rArrrpropT^(2//3)`
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