Question

Which of the following is not transverse wave

• A. X-rays
• B. $\gamma$-rays
• C. Visible light wave
• D. Sound wave in a gas.

Answer 1

The correct option is D Sound wave in a gas.

The sound waves produced in a medium are the longitudinal waves whereas the X-rays, $\gamma$-rays and visible light are the transverse waves.

So, option $D$ is correct.