No photoelectrons are emitted from a metal if the wavelength of light exceeds 6000 . The work f….

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_{No photoelectrons are emitted from a metal if the wavelength of light exceeds 6000} . _{The work function of the metal is approximately equal to}

Options :-

1. 3 10^–16 J
2. 3 10^–19 J
3. 3 10^–20 J
4. 3 10^–22 J

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