Which One of the Following Is Correct for the Energy

question 85

Multiple Choice

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

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