Dual Nature of Matter and Radiation Part 1
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Question : 37 of 100
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The surface of a metal is illuminated alternately with photons of energies E 1 = 4 e V and E 2 = 2.5 e V respectively. The ratio of maximum speeds of the photoelectrons emitted in the two cases is 2 . The work function of the metal in( e V ) is ______.
[5 Sep 2020 Shift 2]
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