WBCS.LIVE practice question

Sound waves cannot travel through which of the following mediums?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Solid iron
  2. Liquid water
  3. Vacuum
  4. Compressed air

Correct answer and explanation

Correct answer: Vacuum

Explanation: āœ… Correct Answer: C) Vacuum šŸ“š Explanation: Sound is a mechanical wave that absolutely requires a physical medium to travel from one place to another. It travels by vibrating the particles present in solids, liquids, or gases. Because a vacuum is completely empty space with no particles to vibrate, sound waves cannot propagate through it.