A gamma ray with an energy of 3.40 * 10-14 joules strikes a photographic plate. We know that Planck's constant is 6.63 * 10-34 joule·seconds. What is the frequency of the photon?
5.13 * 1019 hertz
5.60 * 1017 hertz
2.45 * 1017 hertz
2.45 * 10-12 hertz
7.80 * 10-19 hertz
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