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

(1) T/2

(2) T/4

(3) T

(4) 2T

(2) The particle will come after a time T4 to its mean position.

Difficulty Level:

  • 18%
  • 63%
  • 18%
  • 3%