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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 17 - Sound Waves > A person speaking normally produces a sound intensity of 40 dB at a distance of 1 m. If the threshold intensity for reasonable audibility is 20 dB, the maximum distance at which he can be hear clearly is

A person speaking normally produces a sound intensity of 40 dB at a distance of 1 m. If the threshold intensity for reasonable audibility is 20 dB, the maximum distance at which he can be hear clearly is

A person speaking normally produces a sound intensity of 40 dB at a distance of 1 m. If the threshold intensity for reasonable audibility is 20 dB the maximum distance at which he can be hear clearly is