Physics, asked by alaguprasath, 7 months ago

vibration below _______ is called infra sound.1.10db,2.0db,3.20db,4. none of these.

Answers

Answered by mamtabgs395

1

Explanation:

4. NONE OF THESE.

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Answered by SGS126

3

Answer:

Infrasound, sometimes referred to as low-frequency sound, describes sound waves with a frequency below the lower limit of audibility (generally 20 Hz).

Explanation:

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