wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The interference pattern is obtained with two coherent light source of intensity ratio n. In the interference pattern, the ratio ImaxIminImax+Imin will be

A
2n(n+1)2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
nn+1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2nn+1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
n(n+1)2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 2nn+1
Given : I2=nI1
Maximum intensity of interference Imax=(I1+I2)2
Imax=(I1+nI1)2=(1+n)2I1=(1+n+2n)I1

Minimum intensity of interference Imin=(I1I2)2
Imin=(I1nI1)2=(1n)2I1=(1+n2n)I1

ImaxIminImax+Imin=2n(2n)2(1+n)=2n1+n

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction to Separation
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon