What is the frequency of a photon of light with an energy of 8.14 x10^-17 J?

Answer 1

E = hv

E = energy = 8.14x10^-17 J

h = Planck's constant = 6.626x10^-34 J-sec

v = frequency = ?

Solving for v, we have ...

v = E/h = 8.14x10^-17 J / 6.626x10^-34 J-sec

v = 1.23x10¹⁷ s^-1