Multiple choice

Speed of sound is maximum in

  1. water

  2. vacuum

  3. air

  4. steel
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sound travels fastest in solids because molecules are tightly packed, allowing efficient energy transfer. Steel's density and elasticity make sound travel at ~5000 m/s, much faster than in air (~340 m/s). Sound cannot travel in vacuum.

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