The time period of a simple pendulum does not depend upon the mass of the body
suspended at the free end of the string. This statement is known as ___________ .
(A) law of gravity
(B) law of mass
(C) law of isochronism
(D) law of length
suspended at the free end of the string. This statement is known as ___________ .
(A) law of gravity
(B) law of mass
(C) law of isochronism
(D) law of length