How much energy is in an 89.7 MHz photon of FM-radiation? A) 2.2 × 10−³³ J B) 9.5 × 10−²⁷ J C) 7.4 × 10−⁴² J D) 5.9 × 10−²⁶ J E) 3.7 × 10−²⁵ J

Question

Quizplus · Accepted Answer

The energy of a photon is given by E = hf, where h is Planck's constant and f is the frequency of the photon. The frequency of an 89.7 MHz photon is 89.7 × 10^6 Hz. Plugging this into the equation, we get E = (6.626 × 10^-34 J s)(89.7 × 10^6 Hz) = 5.9 × 10^-26 J.

How Much Energy Is in an 89