Photons with energy 5eV are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons is 2 eV. When photons of energy 6 eV are incident on C, no photoelectrons will reach the anode A, if the stopping potential of A relative to C is

Options

(a) (+3 V)
(b) (+4V)
(c) (- 1V)
(d) (- 3V)

Correct Answer:

(- 3V)

Explanation:

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