GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the unit for measuring the pitch or frequency of sound?
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Hum
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Coulomb
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Decible
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Cycle
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Explanation:
Detailed explanation-1: -Decibel is the unit of pitch of a sound.
Detailed explanation-2: -Decibel: Named after the inventor Alexander Graham Bell, a decibel (dBA) is the unit used to express the intensity of sound. It is normally measured using the “A” scale, which approximates the human ear’s response to a wide range of frequencies. A decibel is a logarithmic value to the base 10.
Detailed explanation-3: -While the pitch of a sound is defined as how shrill a sound is. It is characterized by the frequency of a sound. Thus, its unit is Hertz (Hz).
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