Multiple Choice
The threshold wavelength for photoelectric emission of a particular substance is 500 nm. What is the work function (in eV) ?
A) 4.2
B) 4.0 × 10−19
C) 4.0 × 10−10
D) 2.5 × 10−19
E) 2.5
Correct Answer:

Verified
Correct Answer:
Verified
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