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21 July, 17:08

A certain shade of blue has a frequency of 7.17 * 1014 hz. what is the energy of exactly one photon of this light?

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  1. 21 July, 19:25
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    Answer is: the energy of exactly one photon of this light is 4.75·10⁻¹⁹ J.

    Photon energy equation: E = h·ν.

    E - energy of one photon.

    ν - frequency.

    h - Planck's constant.

    ν = 7.17·10¹⁴ Hz.

    h = 6.63·10⁻³⁴ J·s.

    E = 6.63·10⁻³⁴ J·s · 7.17·10¹⁴ Hz.

    E = 4.75·10⁻¹⁹ J.
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