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?
A.
5.13 × 1019 hertz
B.
5.60 × 1017 hertz
C.
2.45 × 1017 hertz
D.
2.45 × 10-12 hertz
E.
7.80 × 10-19 hertz
