A monochromatic ray of photons of energy...

A monochromatic ray of photons of energy 5 eV are incident on cathode. Electrons reaching the anode have kinetic energyies varying from 6 eV to 8eV.Choose the correct option.

work function of the metal is 1eV

work function of the metal is 3eV

current in the circuit is equal to saturation value

current in the circuit is less than saturation value.

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