(A) : All oscillatory motions are necessarily periodic motion in conservative fields but all periodic motion are not oscillatory.
(R) : Simple pendulum is an example of oscillatory motion.

Options

A. Both 'A' and 'R' are ture and 'R' is the correct explanation of 'A'
B. Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
C. A' is true and 'R' is false
D. A' is false and 'R' is true

Answer

D