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  9. Q15

UPPSC PCS 2018 · Question 15 of 142

The sound will have the highest velocity in:

Science & Tech

  1. AVacuum
  2. BAir
  3. CWater
  4. DSteelCorrect

Answer: D. Steel

Explanation

Sound travels fastest in solids (steel ~5960 m/s), slower in liquids and gases, and not at all in vacuum.

Source: https://www.onlyiasexam.com/2021/10/2018-uppsc-pre-solved-question-papers.html

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