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A certain shade of blue has a frequency of 7.28×1014 Hz.
What is the energy of exactly one photon of this light? Planck's constant is ℎ=6.626×10−34 J⋅s.

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Explanation:

the enerfy of of one photon of this light is 4.85x10^-19 J

E= 6.63 x 10^-34 J/S x 7.32 x10^14 S ^-1

E= 4.85x10^-19 J

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