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

question 15

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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