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A Metal Has a Work Function of 4

Question 22

Multiple Choice

A metal has a work function of 4.50 eV.Find the maximum kinetic energy of the photoelectrons if light of wavelength 250 nm shines on the metal.(1 eV = 1.60 × 10-19 J,c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s)


A) 0.00 eV
B) 0.37 eV
C) 0.47 eV
D) 0.53 eV

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