Question:easy

Sound travels fastest in

Show Hint

Sound travels fastest where particles are packed tightest and bonded strongest.
Updated On: Jul 16, 2026
  • Water
  • Steel
  • Air
  • Vacuum
Show Solution

The Correct Option is B

Solution and Explanation

Rank the states of matter by how tightly and strongly their particles are connected: solids the tightest, then liquids, then gases, and vacuum has nothing at all.

  1. In a solid like steel, atoms are locked in a rigid lattice with strong bonds, so a push on one atom reaches the next atom almost instantly.
  2. In a liquid like water, particles are close but can slide past each other, so the transmission of vibration is slower than in a solid.
  3. In a gas like air, particles are spread far apart and interact only through occasional collisions, making vibration transfer the slowest among ordinary matter.
  4. In vacuum, there are no particles to collide or vibrate, so sound cannot exist there at all.

This ranking places steel at the top for speed of sound, confirming option B as correct, while water and air trail behind and vacuum supports no sound whatsoever.

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