Q. Sound waves cannot travel through which of the following mediums?
✅ Correct Answer: (D)
Perfect vacuum
Explanation: Sound waves are mechanical longitudinal waves that require a material medium (solid, liquid, or gas) to propagate via molecular vibrations. They cannot travel through a vacuum where no particles exist.
Explanation by: Mr. Dubey
Sound waves are mechanical longitudinal waves that require a material medium (solid, liquid, or gas) to propagate via molecular vibrations. They cannot travel through a vacuum where no particles exist.