> Q. The work function for aluminium is 4.125 eV. The cut off wavelength for photoelectric effect for aluminium is – LIVE ANSWER TODAY

Q. The work function for aluminium is 4.125 eV. The cut off wavelength for photoelectric effect for aluminium is

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The work function for aluminium is 4.125 eV. The cut off wavelength for photoelectric effect for aluminium is

Solution:

$lambda_0 = frac{hc}{w} = frac{(6.625 times 10^{-34})(9 times 10^8)}{4.125 times 1.6 times 10^{-19}} $ =
300 nm

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