What Is the Maximum Kinetic Energy (In EV) of a Photoelectron

question 3

Multiple Choice

What is the maximum kinetic energy (in eV) of a photoelectron when a surface, whose work function is 5.0 eV, is illuminated by photons whose wavelength is 400 nm?

• A) 3.1
• B) −1.9
• C) 1.9
• D) 0
• E) 1.2

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