WBCS.LIVE practice question

Sound waves cannot travel through which of the following media?

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

Answer options

  1. Water
  2. Steel
  3. Air
  4. Vacuum

Correct answer and explanation

Correct answer: Vacuum

Explanation: āœ… Correct Answer: D) Vacuum šŸ“š Explanation: Sound is a mechanical wave that requires a material medium (solid, liquid, or gas) to propagate through the vibration of particles. In a vacuum, there are no particles to carry these vibrations, which is why sound cannot travel through outer space. This is fundamentally different from light, which is an electromagnetic wave and can travel through a vacuum.