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23 February, 14:27

What is the approximate energy of a photon having a frequency of 4 * 107 hz? (h = 6.6 * 10-34 j. s) ?

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  1. 23 February, 14:47
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    E = h*f

    E = 6.6x10^-34x 4x10^7

    = (6.6x4) x10^-27

    =26.4x10^-27

    E=2.64X10^-26 J
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