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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
If the work function of a metal surface is 2.20 eV, what frequency of incident light would give a maximum kinetic energy of 0.25 eV to the photoelectrons ejected from this surface? (1 eV = 1.60 × 10-19 J,  h = 6.626 × 10-34 J ∙ s)
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
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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lyalllyall
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7 years ago
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Chery Author
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#2
7 years ago
Looked all over the internet for this, thank you for answering correctly
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