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 )} $