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Upon Being Struck by 240-Nm Photons, a Metal Ejects Electrons

Question 44

Multiple Choice

Upon being struck by 240-nm photons, a metal ejects electrons with a maximum kinetic energy of 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<sup>-34</sup> J ∙ s, c = 3.00 × 10<sup>8</sup> m/s, 1 eV = 1.60 × 10<sup>-19</sup> J) A) 3.73 eV B) 3.13 eV C) 4.33 eV D) 4.92 eV 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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