Optics Question 1151

Question: In Fresnel’s biprism experiment, on increasing the prism angle, fringe width will

[RPMT 2003]

Options:

A) Increase

B) Decrease

C) Remain unchanged

D) Depend on the position of object

Show Answer

Answer:

Correct Answer: B

Solution:

Fringe width $ (\beta )\propto \frac{1}{\text{prism Angle }(\alpha )} $



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