Q. A hydrophone is used to measure:

(A) Sound under water
(B) Ocean depth
(C) Water pressure
(D) Water temperature

✅ Correct Answer: (A) Sound under water

Explanation: A hydrophone detects sound under water.

Published by Mr. Dubey ⭐ 109.86K Points at 18-Jul-2026 03:56 pm in General Awareness

Explanation by: Mr. Dubey

A hydrophone detects sound under water.

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