CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In young's double-slit experiment, the interference pattern is found to have ratio between the bright and dark fringes as 9. This implies that

A
the intensities at the screen due to the two slits are 5 units and 4 units,respectively
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
the intensities at the screen due to the two slits are 4 units and 1 units respectively
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
the amplitude ratio is 3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
the amplitude ratio is 2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct options are
B the intensities at the screen due to the two slits are 4 units and 1 units respectively
D the amplitude ratio is 2
Let 'a' and 'b' be the amplitudes of the light from the two slits.
Thus ImaxImin=(a+b)2(ab)2=9
a+bab=3
a=2b
ab=2
I1I2=a2b2=4

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Matter Waves
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon