A metal plate of area 
is illuminated by a radiation of intensity 
. The work function of the metal is 
. The energy of the incident photons is 
and only 
of it produces photo electrons. The number of emitted photo electrons per second and their maximum energy respectively, will be: 
A
and 
B
and 
C
and 
D
and 
Text Solution
Verified by ExpertsThe correct answer is:
C
using, intensity 
no. of photoelectrons
or 
So, effective number of photoelectrons ejected per unit time 
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