Surface of sodium is illuminated by light of 6000A wavelength.work function of sodium is 1.6 eV Then minimum K.E of emitted electron is

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O ev
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O eV this question answer
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Answer
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0eV b/c minimum energy
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Surface of sodium is illuminated by a ligth of 6000 angstrom wavelenth work function of sodium is 1.6 ev then minimum ke of emitted electron is
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