# Problem: What is the velocity of all electromagnetic waves in a vacuum? a. Electromagnetic waves do not propagate forward; hence, their velocity is zero. b. The velocity of electromagnetic waves depends upon their amplitude. c. The velocity of electromagnetic waves depends upon their frequency. d. The velocity of electromagnetic waves depends upon their wavelength. e. The velocity of electromagnetic waves is nearly equal to 3 times 108 m/s.

###### FREE Expert Solution

Electromagnetic waves such as radio waves, infrared rays, visible light, ultraviolet rays, x-rays and gamma rays travel at the same speed in a vacuum. ###### Problem Details

What is the velocity of all electromagnetic waves in a vacuum?

a. Electromagnetic waves do not propagate forward; hence, their velocity is zero.

b. The velocity of electromagnetic waves depends upon their amplitude.

c. The velocity of electromagnetic waves depends upon their frequency.

d. The velocity of electromagnetic waves depends upon their wavelength.

e. The velocity of electromagnetic waves is nearly equal to 3 times 108 m/s.