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Home Q & A Board Science-Related Homework Help Physics
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ppk ppk
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12 years ago
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) 2.05 × 1014 Hz
B) 1.02 × 1014 Hz
C) 2.50 × 1014 Hz
D) 3.53 × 1014 Hz
E) 5.92 × 1014 Hz
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duddyduddy
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