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Title: Which one of the following is correct for the energy of a 620 nm beam of light? Post by: Northa on Feb 26, 2017 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 Title: Re: Which one of the following is correct for the energy of a 620 nm beam of light? Post by: mtown88 on Feb 26, 2017 Content hidden
Title: Re: Which one of the following is correct for the energy of a 620 nm beam of light? Post by: Northa on Jul 12, 2017 This helps so much. I'll try to figure out the rest on my own now
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