Answer to Question #136343 in Optics for Afraid

Question

Write notes on diffraction.

Answer 1

Diffraction occurs when a wave bends around an obstacle as there were no this obstacle. Diffraction occurs when the wavelength of the wave is greater than the size of the object. You listen voice of a parade behind tall buildings because of diffraction. When you look at a CD or DVD, the strange light on its shine surface is a result of diffraction.