Statement-1 : Radius of gyration of a body is a constant quantity.
Statement-2 : The radius of gyration of a body about an axis of rotation may be defined as the root mean square distance of the particles of the body from the axis of rotation.

Options

A. Statement -1 is true , Statement -2 is True , Statement -2 is a correct explanation for Statement-1.
B. Statement-1 is True , Statement -2 is True , Statement-2 is NOT a correct explanation for statement-1.
C. Statement-1 is False, Statement - 2 is True.
D. Statement - 1 is True , Statement -2 is False.