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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
What is the longest wavelength of light that can cause photoelectron emission from a metal that has a work function of 2.20 eV? (1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ∙ s)
A) 417 nm
B) 257 nm
C) 344 nm
D) 565 nm
E) 610 nm
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
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7 years ago
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Chery Author
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#2
7 years ago
You're right again!

Appreciate it
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#3
3 years ago
Right as always Thanks
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