A beam of light with a frequency range from 3.01 × 1014 Hz to 6.10 × 1014 Hz is incident on a metal surface. If the work function of the metal surface is 2.20 eV,
what is the maximum kinetic energy of photoelectrons ejected from this surface? (h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
A) 0.33 eV
B) 0.21 eV
C) 0.42 eV
D) 0.16 eV
E) 0.48 eV
A
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