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Because he wanted people to hear properly!

Bell's daughter was deaf. Bell was an inventor and wanted to know more about how people hear. Bell also made several other advancements in the knowledge of human hearing because he wanted to help his daughter,

The Audiometer was made after performing several experiments with the loudness of sounds and how humans hear things.

The meter he made is a way of measuring how well someone can hear compared to what an average person can hear.

Like Feet and Meters are used for measuring the length of objects or the distance between objects, the measurement called a Bell was named to measure the loudness of sounds that humans hear.

More commonly the measurement is called a 'Deci Bell' abbreviated dB which is 1/10th of a Bell.

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14y ago

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