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Photoelectric Effect 15. Platinum has a work function of 6.35 ev. What is its threshold frequency? GU: ESS: A. 2.63x10%h Hz C. 1.53x1015 Hz B.

Photoelectric Effect 15. Platinum has a work function of 6.35 ev. What is its threshold frequency? GU: ESS: A. 2.63x10%h Hz C. 1.53x1015 Hz B. 2.63x1016 Hz D. 1.53x10 15 Hz

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