Q. If the intensities of the two interfering beams in Young’s double alit experiment be $I_{1}$ and $I_{2}$, then the contrast between the maximum and minimum intensity is good when
A) $I_{1}$ is much greater than $I_{2}$
B) $I_{1}$ is much smaller than $I_{2}$
C) $I_{1}$= $I_{2}$
D) Either $I_{1} = 0$ or $I_{2} = 0$
Explanation
(c) For maximum contrast, $I_{1} = I_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.