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Light with a Frequency of 8

Question 86

Multiple Choice

Light with a frequency of 8.70 × 1014 Hz is incident on a metal that has a work function of 2.80 eV.What is the maximum kinetic energy that a photoelectron ejected in this process can have? (1 eV = 1.60 × 10-19 J,h = 6.626 × 10-34 J ∙ s)


A) 8.7 × 10-19 J
B) 3.1 × 10-19 J
C) 1.3 × 10-19 J
D) 2.4 × 10-19 J
E) 4.5 × 10-19 J

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