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When the energy of the incident radiation is increased by 20%,

When the energy of the incident radiation is increased by 20%, the kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV. The work function of the metal is

Options

(a) 0.65 eV
(b) 1 eV
(c) 1.3 eV
(d) 1.5 eV

Correct Answer:

1 eV

Explanation:

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