A beam of white light of a certain frequency is incident on a metal surface. If the work function of this surface is 2.20 eV, what frequency of light would give a maximum kinetic energy of 0.25 eV to the photoelectrons ejected from this surface?
A) 2.50 k 10^14 Hz.
B) 5.92 k 10^14 Hz.
C) 1.02x10^14 Hz.
D) 3.53 k 10^14 Hz.
E) 2.05 k 10^14 Hz.
Answers: 1
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A beam of white light of a certain frequency is incident on a metal surface. If the work function of...
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