The source of all electromagnetic waves is
A) changes in atomic energy levels.
B) accelerating electric charges.
C) vibrating atoms.
D) crystalline fluctuations.
E) none of these

Question

Quizplus · Accepted Answer

Accelerating electric charges generate electromagnetic waves. This is a fundamental principle of electromagnetism, as described by Maxwell's equations. Vibrating atoms, changes in atomic energy levels, and crystalline fluctuations can result in the emission of electromagnetic radiation, but the fundamental source of all electromagnetic waves is the acceleration of electric charges.

The Source of All Electromagnetic Waves Is