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

A photo cell is receiving light from a source placed at a distance of 1 m. If the same source is to be placed at a distance of 2 m, then the ejected electron

A
Moves with one-fourth energy as that of the initial energy
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Moves with one fourth of momentum as that of the initial momentum
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Will be half in number
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Will be one-fourth in number
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D Will be one-fourth in number
Number of photons Intensity =1(distance)2
N1N2=(d2d1)2N1N2(21)2N2=N14
But the energy of the photo electrons emitted will remain the same

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
The Production Function
ECONOMICS
Watch in App
Join BYJU'S Learning Program
CrossIcon