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UPPSC PCS 2014 · Question 28 of 150

Sound waves do not travel in:

Science

  1. ASolids
  2. BLiquids
  3. CGases
  4. DVacuumCorrect

Answer: D. Vacuum

Explanation

Sound waves require a medium to travel because they are mechanical waves that are produced by the vibration of particles in a medium. The molecules of solids, liquids, and gases carry sound waves from one point to another.

Source: edurev.in UPPSC Prelims 2014 GS Paper I with Answer Key and Solutions

← Q27View full paper (150 questions)Q29 →

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