Two particles execute SHM of the same amplitude and frequency on parallel lines side by side. They cross each another when moving in opposite directions each time their displacement is half their amplitude. What is the difference between them ?

Two particles execute SHM of the same amplitude and frequency on paral

1.	Two particles execute SHM of the same amplitude and frequency on parallel lines side by side. They cross each another when moving in opposite directions each time their displacement is half their amplitude. What is the difference between them ?
Answer» `pi/3` SEC `(2PI)/3` `pi/6` `pi/2` ANSWER :B