Optics Question 1083

Question: In double slits experiment, for light of which colour the fringe width will be minimum

[MP PMT 1994]

Options:

A) Violet

B) Red

C) Green

D) Yellow

Show Answer

Answer:

Correct Answer: A

Solution:

$ \beta \propto \lambda ,\ \ \therefore {\lambda _{v}}= $ minimum.



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