Q2: A Light having a frequency of 9.0 x 10¹4 Hz incident on a metal surface ejects photo-electrons having energy of 1.1 eV. Calculate the work function for this metal in Sl units and eV units. (h= 6.62x10-24 J.Hz), (1 eV = 1.6 x 10-¹⁹ J)
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