All electromagnetic waves can travel at the speed of light. The speed of light is 3×10⁸ m/sec.
Electromagnetic waves are waves that are formed when an electric field and a magnetic field vibrate together. It is made up of oscillating magnetic and electric fields.
Electromagnetic waves may alternatively be defined as the combination of oscillating electric and magnetic fields.
Electrically charged particles experiencing acceleration create electromagnetic waves, which can then interact with other charged particles and exert force on them.
All electromagnetic waves can travel at the speed of light. The speed of light is 3×10⁸ m/sec.
Hence option A is correct.
To learn more about the electromagnetic wave refer to the link;
https://brainly.com/question/8553652
