Q. The coherent curve between fringe width $\beta$ and distance between the slits ($d$)in figure is
A) [image:10_image15.emf]
B) [image:10_image16.emf]
C) [image:10_image17.emf]
D) [image:10_image18.emf]
Explanation
(b) As $\beta = \frac{\lambda D}{d}$
$\therefore\ \beta \propto 1/d$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.