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

For photoelectric emission from certain metal the cut-off frequency is v. If radiation of frequency 2v impinges on the metal plate, the maximum possible velocity of the emitted electron will be:

(m is the electron mass)

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

The correct option is D 2hvm
K.E =Eϕ

12mv2max=h2vhv

vmax=2hvm

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Stopping Potential
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon