State the path difference between two waves for constructive interference .

State the path difference between two waves for destructive interference .

Define:- constructive interference.

State the condition of constructive interference.

What is constructive interference of sound ?

State the condition of destructive interference.

What is the phase difference between two points on a wavefront ?

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

What is phase difference between two waves, if the resultant amplitude due to their superposition is same as that of the waves?

State the conditions to get constructive and destructive interference of light.

The path difference between two identical waves arriving at a point is 85.5lambda .. If the path difference is 42.5 micrometer, the wavelength is