Multiple choice

How is an electromagnetic wave disturbed?

  1. when protons bounce off of a medium

  2. when electrically charged particles stop moving

  3. when electrically charged particles vibrate

  4. when neutrons bounce off of a medium

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Electromagnetic waves are generated by the acceleration or vibration of electrically charged particles. This motion creates the oscillating electric and magnetic fields.