Radiation of wavelength 
and intensity 
falls on the surface of a photosensitive material. If 
of the incident photons produced photoelectron, the number of photoelectrons emitted from an area of 
of the surface is nearly
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Since 
So, energy fall 
per sec 
Energy of 1 photon 
Number of photon falling per sec 
Number of photo-electron emitted
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