A beam of light with a frequency range of 3.01 × 1014 Hz - 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 range of frequencies in this beam of light that will be responsible for ejecting electrons from this metal surface? A) 1.12 × 1014 Hz - 5.31 × 1014 Hz
B) 1.12 × 1014 Hz - 3.10 × 1014 Hz
C) 3.01 × 1014 Hz - 6.10 × 1014 Hz
D) 5.31 × 1014 Hz - 6.10 × 1014 Hz
E) None
D
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