UV radiation of energy 6.2 eV falls on molybdenum surface whose photoe – InterviewSolution

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1.	UV radiation of energy 6.2 eV falls on molybdenum surface whose photoelectric work function is 4.2 eV. The kinetic energy of the fastest photoelectrons is (A) 3.2 × 10-19 J (B) 3.52 × 10-19 J (C) 6.72 × 10-19 J (D) 9.92 × 10-19 J.
Answer» (A) 3.2 × 10^-19J

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