Question

What is a fringe?

विकल्प

• A bright or dark band formed on the screen due to constructive or destructive interference

• The distance between two closely spaced narrow slits

• The phase difference between ordinary sources

• The distance of the screen from the slits

Answer 1

Constructive interference produces a bright band, while destructive interference produces a dark band. Either type of band on the screen is called a fringe.