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What is the energy of a photon of red light with a wavelength of 6.47 x 10-7 m ?
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Answers ( )
Answer:
3.44×10-27 joules.
Explanation:
E = h * c / λ = h * f,
E is the energy of a photon
h is the Planck constant
c is the speed of light
λ is the wavelength