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  9. Q71

BPSC (Bihar PCS) 2025 · Question 71 of 145

In which medium, the speed of sound is maximum?

General Science

  1. AWater
  2. BSteelCorrect
  3. CAir
  4. DHydrogen

Answer: B. Steel

Explanation

The speed of sound depends on the medium's density and elasticity. It travels fastest in solids, where particles are closely packed, slower in liquids, and slowest in gases, where molecules are farther apart.

Source: 71st BPSC CCE Prelims 2025 (Set H)

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