Light with a Frequency of 8

question 19

Multiple Choice

Light with a frequency of 8.70 × 10¹⁴ Hz is incident on a metal that has a work function of 2.8 eV. What is the maximum kinetic energy that a photoelectron ejected in this process can have?

• A) 8.71 × 10^-19 J
• B) 3.11 × 10^-19 J
• C) 1.28 × 10^-19 J
• D) 2.41 × 10^-19 J
• E) 4.52 × 10^-19 J

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