How much energy is carried by a photon of light having frequency 110 GHz? (h = 6.626 × 10^-34 J ∙ s) A)1.1 × 10^-20 J B)1.4 × 10^-22 J C)7.3 × 10^-23 J D)1.3 × 10^-25 J

Question

Quizplus · Accepted Answer

The energy of a photon is given by E = hν, where h is Planck's constant and ν is the frequency. Substituting the given values, E = (6.626 × 10^-34 J∙s)(110 × 10^9 Hz) = 7.3 × 10^-23 J.

How Much Energy Is Carried by a Photon of Light