Multiple Choice
The work function of a certain metal is 1.90 eV.What is the longest wavelength of light that can cause photoelectron emission from this metal? (1 eV = 1.60 × 10-19 J,c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s)
A) 231 nm
B) 14.0 nm
C) 62.4 nm
D) 344 nm
E) 654 nm
Correct Answer:
Verified
Correct Answer:
Verified
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