The frequency of violet light is 7.5 x 1014 Hz. How much energy does a photon of violet light carry? (h = 6.626 x 10 34 J.s; 1 ev = 1.60 x 10-19 J)
a. 2.36 x 10-19J
b. 4.97 x 10-19 J
c. 4.38 x 10-19 J
d. 5.02 x 10 22 J