what is frequency of a sound wave?
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Frequency of sound depends on sound
humans can hear normal sound but some animals can use and hear infrasonic and ultrasonic
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Frequency of sound waves is measure in hertz(Hz)
Human beings can normally hear sounds with a frequency between about 20Hz to 20,000Hz.
sounds with frequencies below 20 Hz are called Infra sound.
Frequency is defined to be the number of waves that passes through a fixed point in a second.
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