Two sinusoidal waves of the same frequency travel in the same direction along a string
Channel: Doubtnut
Date: 2020-04-19

Two sinusoidal waves of the same frequency travel in the same direction along a string. If `A_(1) =m 3.0 cm, A_(2) = 4.0 cm, phi_(1) = 0`, and `phi_(2) = pi//2 rad`, what is the amplitude of the resultant wave ?