Question

The electromagnetic waves travel in free space with the velocity of

• A. Sound
• B. Light
• C. Greater than that of light
• D. Greater than that of sound

Answer 1

Answer: (B)

Light

Answer 2

Electromagnetic waves travel in free space or vacuum with the velocity of light $\left(3 \times \left(10\right)^{8} m s^{- 1}\right).$