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Assertion : For circular orbits, the law...

Assertion : For circular orbits, the law of periods is `T^(2) prop r^(3)`, where M is the mass of sun and r is the radius of orbit.
Reason : The square of the period T of any planet about the sum is proportional to the cube of the semi-major axis a of the orbit.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are true but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the reason is False.

D

If both Assertion & Reason are false.

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