NEET Exam Model Paper 9
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Question : 136 of 180
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The threshold frequency of a metal is 1 × 10 15 s e c − 1 .The ratio of maximum kinetic energies of photoelectrons when the metal is irradiated with radiation of frequencies 1.5 × 10 15 and 2 × 10 15 s e c − 1 respectively
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