For constructive interference, the phase difference between the two interfering waves is

For constructive interference path difference between two interfering waves must be equal to

For constructive interference, the phase difference between two waves should be

State the condition for constructive interference in terms of phase difference between the two waves.

State the condition for constructive interference in terms of path difference between the two waves.

In a Young's double slit experiment the amplitudes of the two waves incident on the two slits are A and 2A . If I_(0) is the maximum intensity, then the intensity at a spot on the screen where the phase difference between the two interfering waves is phi .

The coherent sources of light produce constructive interference when phase difference between them is