is illuminated by a radiation of intensity
. The work function of the metal is 5 eV. The energy of the incident photons is 10 eV and only 
of it produces photo electrons. The number of emitted photoelectrons per second and their maximum energy, respectively, will be- [JEE Main 10-Jan-2019 Evening]
A)
and 10 eV
B)
and 5 eV
C)
and 5 eV
D)
and 5 eV
Correct Answer: D
Solution :
[d] Energy incident on plate per second  |
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 of incident photon emit electron |
 No of emitted electrons per second |
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