What is meant by constructive interference?

What is meant by destructive interference?

What is constructive interference?

Define:- constructive interference.

What is constructive interference of sound ?

Assertion : Energy is created in constructive interference and energy is destroyed in destructive interference. Reason : There is maximum intensity at the point of constructive interference.

Two conherent monochromatic lights make constructive interference when their phase difference 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.

What is interference?