Which of the Following Photons Carries the Smallest Amount of Energy

question 28

Multiple Choice

Which of the following photons carries the smallest amount of energy?

• A) a blue photon of the visible spectrum, whose wavelength is 450 nm
• B) an infrared photon, whose wavelength is 10^-5 m
• C) a red photon in the visible spectrum, whose wavelength is 700 nm
• D) a microwave photon, whose wavelength is 10^-2 m
• E) an ultraviolet photon, whose wavelength is 300 nm

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