Two coherent waves each of asmplitude 'a' traveling with a phase difference `delta` when superpose with each other the resultant intensity at a given point on the screen is

Two identical coherent waves, each of intensity 'I', are producing an interference pattern. Find the value of the resultant intensity at a point constructive interference.

Two identical coherent waves, each of intensity 'I', are producing an interference pattern. Find the value of the resultant intensity at a point destructive interference.

If two light waves each of amplitude a travelling a travelling through a medium arrive at a point in opposite phase then the resultant amplitude R at that points is

Two identical coherent waves, each of intensity I are producing an interference pattern. find the value of the resultant intensity at a point of constructive interference.

When plane progressive waves travelling in the same direction superpose over each other then the velocity of resultant wave

Light waves from two coherent sources having intensities I and 2 I cross each other at a point with a phase diff. of 60^(@) . What is the resultant intensity at the point ? If the sources were incoherent, what would be the resultant intensity ?

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