Which of the following sources produces the lowest energy photons?
A)a dentist's X-ray source
B)the UV lamp at a tanning bed
C)radio waves from an MRI imager
D)gamma rays from a supernova
E)microwave radiation from a radiotelescope

Question

Quizplus · Accepted Answer

Radio waves have the lowest energy photons among the options provided. X-rays, UV rays, gamma rays, and even microwaves have higher energy photons than radio waves.

Which of the Following Sources Produces the Lowest Energy Photons