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The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function

The threshold wavelength for photoelectric effect of a metal is 6500 Å. The work function of the metal is approximately

Options

(a) 0.1 eV
(b) 1 eV
(c) 2 eV
(d) 3 eV

Correct Answer:

2 eV

Explanation:

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