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16 October, 05:57

A photon has a wavelength of 6.2 meters. Calculate the energy of the photon in joules. (Planck's constant is 6.626 * 10-34 joule seconds, the speed of light is 2.998 * 108 m/s)

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  1. 16 October, 06:22
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    Wavelength = (planck’s constant) (speed of light) / Energy

    6.2 (Energy) = (6.63 •10^-34) (3•10^8)

    1.989•10^-25 / 6.2 =

    3.2081 • 10^-26 is the answer
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