Question

The phenomenon of beats can take place
(a) for longitudinal waves only
(b) for transverse waves only
(c) for both longitudinal and transverse waves
(d) for sound waves only.

Answer 1

(c) for both longitudinal and transverse waves

EXPLANATION: 

The phenomenon of beats can take place for both longitudinal and transverse waves only conditions to be followed is the difference in the frequencies should be slight and the amplitudes equal.