[Solved] If a Monochromatic Light Beam with Quantum Energy Value of 4.0

Question 16
Multiple Choice

If a monochromatic light beam with quantum energy value of 4.0 eV is incident upon a photocell where the work function of the target metal is 1.60 eV, what is the maximum kinetic energy of ejected electrons?

A) 4.6 eV
B) 4.8 eV
C) 2.4 eV
D) 1.4 eV

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