question_answer

A particle on the trough of a wave at any instant will come to the mean position after a time (T = time period)

A)  T/2                                       

B)  T/4

C)  T                                            

D)  2 T

Correct Answer: B

Solution :

The time taken by the particle to come to mean position from the trough \[=\frac{T}{4}\]