Which of the following is NOT an electromagnetic wave?

Question

Which of the following is NOT an electromagnetic wave? (A) Sound wave (B) Thermal radiation (C) Microwave (D) Gamma ray

Tardigrade Admin · Accepted Answer

Sound wave is not an electromagnetic wave. It is a mechanical wave. When sound wave propagates, particles of the medium oscillates along the direction of propagation of the wave.

Q. Which of the following is NOT an electromagnetic wave?

Sound wave

Thermal radiation

Microwave

Gamma ray

Sound wave is not an electromagnetic wave. It is a mechanical wave. When sound wave propagates, particles of the medium oscillates along the direction of propagation of the wave.