A beam of electromagnetic radiation of intensity 
is comprised of wavelength, 
. It falls normally on a metal (work function 
) of surface area of 
. If one in 
photons ejects an electron, total number of electrons ejected in 1 s is 
. 
, then 
is
Text Solution
Verified by ExpertsThe correct answer is:
A
Power incident 
number of photons incident/second
Number of electrons emitted per second 
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