Q. In Fresnel’s biprism experiment, on increasing the prism angle, fringe width will
A) Increase
B) Decrease
C) Remain unchanged
D) Depend on the position of object
Explanation
(b) Fringe width $(\beta) \propto \frac{1}{prism\ Angle\ (\alpha)}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.