(A) : If earth shrink to half its present size, length of the day would become 6 hours.(R ) : As size of the earth changes is moment of inertia changes.

(A) : If earth shrink to half its present size, length of the day woul

1.	(A) : If earth shrink to half its present size, length of the day would become 6 hours.(R ) : As size of the earth changes is moment of inertia changes.
Answer» Both (A) and (R ) are true and (R ) is the CORRECT EXPLANATION of (A) Both (A) and (R ) are true and (R ) is not the correct explanation of (A) (A) is true but (R ) is false Both (A) and (R ) are false Answer :B