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Which of the following is NOT true ? |
Work function is the same as energy band gap. For photoemission to occur, the incident frequency must be larger than the threshold frequency. Photoemission cannot take place at a wavelength higher than the cut-off wavelength. None of the above. |
Work function is the same as energy band gap. |
Work function is NOT the same as energy band gap. Work function deals in emission of electrons while energy band gap deals in energy difference in conduction and valence electrons. |
