(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 true 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 but (R) is false
D. Both (A) and (R) are false

Answer

B