Assertion: The acceleration due to gravity on the moon is one-sixth that on the earth.
Reason : The law of gravitation is the same on both the moon and the earth.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.