Q.

The width of one of the two slits in a Young’s double slit experiment is double of the other slit.  Assuming that the amplitude of the light coming from a slit is proportional to slit width.  Find the ratio of the maximum to the minimum intensity in the interference pattern.

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

answer is 9.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

As amplitude is proportional to the slit width 

a1=a, a2=2a

Maximum intensity =a1+a22=a+2a2=9a2

Minimum intensity = a1-a22=2a-a2=a2

Maximum intensity Minimum intensity=91=9

 

 

Watch 3-min video & get full concept clarity

hear from our champions

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon