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Universal Law of Gravitation

The square of...

Question

The square of its period of revolution around the sun is ____________ to the cube of the mean distance of a planet from the sun.

A

Inversely proportional

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B

Directly proportional

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C

Not proportional

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D

depend

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Solution

The correct option is B Directly proportional
According to Kepler's Law
$T^{2} \propto a^{3}$
Where, $a$ is the mean distance to the cube of the mean distance of a planet from the sun.
hence directly proportional

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