Physics, 05.10.2019 12:30 officialrogerfp3gf2s
Agamma 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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