Two identical travelling waves, moving in the same direction are out of phase by `pi//2` rad. What is the amplitude of the resultant wave in terms of the common amplitude `y_(m)` of the two combining waves?

Two identical light waves, propagating in the same direction, have a phase difference delta . After they superpose, the intensity of the resulting wave will be proportional to

Two sinusoidal wave having the same frequency and travelling in the same direction are combined. What is the amplitude of the resultant motion if their amplitudes are 3cm and 4cm and they differ in phase by pi//2 radian?

Two identical light waves having phase difference 'phi' propagate in same direction. When they superpose, the intensity of resultant wave is proportional to

Two waves of equal amplitude A, and equal frequency travel in the same direction in a medium. The amplitude of the resultant wave is

Two waves of same amplitude a and frequency v and having a phase difference of pi//2 radian, are superposed. The amplitude of resultant wave is

Two waves are travelling in same direction along a stretched string. The waves are 90^@ out of phase. Each wave has an amplitude of 4.0 cm. Find the amplitude of the resultant wave.

Two waves of equal amplitude 1m and equal frequency travel in the opposite direction in a medium. The magnitude of amplitude of the resultant wave may not be

Two identical sinusoidal waves each of amplitude 10 mm with a phase difference of 90^(@) are travelling in the same direction in a string. The amplitude of the resultant wave is

Two sinusoidal wave of the same frequency are to be sent in the same direction along a taut string. One wave has an amplitude of 5.0 mm , the other 8.0 mm . (a) What phase difference phi_(1) between the two waves results in the smallest amplitude of the resultant wave? (b) What is that smallest amplitude? (c) What phase difference phi_(2) results in the largest amplitude of the resultant wave ? (d) What is that largest amplitude? (e) What is resultant amplitude if the phase angle is (phi_(1) - phi_(2))//2 ?

Two wave of amplitude A_(1) , and A_(2) respectively and equal frequency travels towards same point. The amplitude of the resultant wave is