Optics Question 1129

Question: In Young’s double slit experiment, the wavelength of the light used is doubled and distance between two slits is half of initial distance, the resultant fringe width becomes

[AIEEE 2002]

Options:

A) 2 times

B) 3 times

C) 4 times

D) 1/2 times

Show Answer

Answer:

Correct Answer: C

Solution:

$ \beta \propto \frac{\lambda }{d} $



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