Question

Two particles execute S.H.M. of same amplitude and
frequency along the same straight line. They pass one
another when going in opposite directions, and each time
their displacement is half of their amplitude. The phase
difference between them is
[MP PMT 1999; DCE 2006; CBSE PMT (Mains) 2011)
(a) 30°
(b) 60°
(c) 90°
(d) 120°​

Answer 1

Answer:

60 , think so it is the answer