Determine the amplitudes of the resultant motion when two sinusoidal waves of same frequency ,
Channel: Doubtnut
Date: 2020-08-02

Determine the amplitudes of the resultant motion when two sinusoidal waves of same frequency , travelling in the same direction are combined . Their amplitudes are `3.0 cm and 4.0 cm` and they differ in phase by `pi//2 radians `.