Question

Which instrument is used to measure sound under water ?

HygrometerHygroscopeHypsometerHydrophone​

Answer 1

$\huge{Hey Mate!!!}$

☆☞ Here is ur answer ☜☆

✔✔ Hydrophone.

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Answer 2

hey mates
here is ur answer

Sound in water is measured using a hydrophone, which is the underwater equivalent of a microphone. A hydrophone measures pressure fluctuations, and these are usually convertedto sound pressure level (SPL), which is a logarithmic measure of the mean square acousticpressure.

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