Photoelectric Effect: Upon Being Struck by 240-Nm Photons, a Metal

question 68

Multiple Choice

Photoelectric effect: Upon being struck by 240-nm photons, a metal ejects electrons with a maximum kinetic energy of What is the work function of this metal? (h = 6.626 × 10^-34 J ∙ s, c = 3.00 × 10⁸ m/s, 1 eV = 1.60 × 10^-19 J)

• A) 3.73 eV
• B) 3.13 eV
• C) 4.33 eV
• D) 4.92 eV

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