The speed of electromagnetic waves is?

A. 3 x 10^6 m/s
B. 3 x 10^7 m/s
C. 3 x 10^8 m/s
D. 3 x 10^9 m/s

Explanation:

EM waves travel at the speed of light.

Tags: Antenna and Wave Propagation MCQ, Electronics and Communication Engineering