Optics Question 1109

Question: If a torch is used in place of monochromatic light in Young’s experiment what will happens

[MH CET 1999; KCET 1999]

Options:

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

Show Answer

Answer:

Correct Answer: D

Solution:

If we use torch light in place of monochromatic light then overlapping of fringe pattern take place. Hence no fringe will appear.



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