Answer to Question #214915 in Optics for lala

Question

Monochromatic light is incident on double slits. Bright and dark fringes are formed on a screen. If the distance between slits is increased,

A. the central maximum becomes wider.

B. the wavelength becomes shorter.

C. the fringe separation will be increased.

D. the width of each fringe becomes narrower

Answer 1

YES A. the central maximum becomes wider.

NO B. the wavelength becomes shorter.

NO C. the fringe separation will be increased.

YES D. the width of each fringe becomes narrower