Which one of the following is correct for the energy of a 620 nm beam of light?
A) 1.60 × 10-19 eV
B) 2.10 × 10-19 J
C) 3.21 × 10-19 J
D) 1.60 × 10-18 eV
E) 3.21 × 10-18 eV
Correct Answer:
Verified
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