State PCS PYQPrelims 2025

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 124

In which medium is the speed of sound maximum?

  1. Steel
  2. Water
  3. Air
  4. Hydrogen
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (A) Steel

ವಿವರಣೆ

Sound is fastest in solids, then liquids, then gases; steel is the fastest medium here.

  • (A) ಸರಿ

    Correct: sound travels fastest in solids like steel (~5000–6000 m/s).

  • (B) ತಪ್ಪು

    Wrong: about 1500 m/s, slower than steel.

  • (C) ತಪ್ಪು

    Wrong: about 343 m/s, the slowest here.

  • (D) ತಪ್ಪು

    Wrong: about 1270 m/s, still slower than steel.