Question

If a torch is used in place of monochromatic light in Young?s experiment what will happens [MH CET 1999; KCET 1999]
A) Fringe will appear for a moment then it will disappear B) Fringes will occur as from monochromatic light C) Only bright fringes will appear D) No fringes will appear

Answer 1

hey here's your ans

the sodium monochromatic light is use in Young's and the torch haven't sodium light.
so the correct ans will be (D]

I hope it helps