First slide

Coherent sources and their importance in interference

Question

If the separation between slits in Young’s double slit experiment is reduced to $\frac{1}{3} rd$ , the fringe width becomes n times. The value of n is

Easy

A

3
B

$\frac{1}{3}$
C

9
D

$\frac{1}{9}$

Solution

$β \propto \frac{λ}{d} as d \to \frac{d}{3} so β \to 3 β ∴ n = 3$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App