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What is the energy of a photon of electromagnetic radiation with a wavelength of 665 nm appears as orange light to the human eye?
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What is the energy of a photon of electromagnetic radiation with a wavelength of 665 nm appears as orange light to the human eye?

User Equinox
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Answer:

(6.63×10^-34×3×10^8)÷(665×10^-9)=2.991×10^-19J

User Maqsood
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