Question: The photoelectric work function for a metal surface is 4.125 eV. The cut off wavelength for this surface is (a) 4125 (c) 6000 (b)

The photoelectric work function for a metal surface is 4.125 eV. The

The photoelectric work function for a metal surface is 4.125 eV. The cut off wavelength for this surface is (a) 4125 (c) 6000 (b) 3000 (d) 2062.5

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