Intensities of two waves are `I_1=I` and `I_2=4I`. In case A both the wave superimposed with phase difference `pi/2` and n case B both the waves superimposed with phase difference `pi/3`. Find ratio of resltant intensities in both the cases.

Intensities of the two waves of light are I and 4I . The maximum intensity of the resultant wave after superposition is

Waves from two sources of intensities I and 3I are used in an interference experiment. Calculate the intensity at point where the waves superimpose with a phase difference of (i) pi//2 and (ii) pi .

For minimum intensity the phase difference between the two waves is

Two sources of intensity I and 4 are used in an interference experiment. Find the intensity at point where the waves from two sources superimpose with a phase difference (i) zero (ii) pi//2 and (iii) pi .

Two sources of intensity I and 4I are used in an interference experiment. Find the intensity at a point where the waves from two sources superimpose with a phase difference of (a) zero, (b) pi//2 , (c ) pi and (d) ratio of maximum and minimum intensity.

The intensities of two light sources are I and 91 .If the phase difference between the waves is pi then resultant intensity will be :-

A pair of monochromatic waves of amplitude A and 2 A are travelling in same direction. Determine the amplitude of the resultant wave if both the waves are superimposed and phase difference of 45^@ .

Two sound waves with amplitude 4 cm and 3 cm interfere with a phase difference of a. 0 b. pi//3 c. pi//2 d. pi Find the resultant amplitude in each case.

Two beams of light havin intensities I and 4I interferer to produce a fringe pattern on a screen. The phase difference between the beam is (pi)/(2) at point A and 2pi at point B. then find out the difference between the resultant intensities at A and B.

Two sources of intensity 2I and 8I are used in an interference experiment. The intensity at a point where the waves from two sources superimpose with a phase difference of (a) zero (b) pi//2 and (c ) pi is