Frequency is defined As the no. of
cycles per second, its measured in Hz (hertz), and it effects The pitch of the sound,
higher the pitch sharper will be the sound and lower the pitch the graver will
be the sound. E.g. a female’s and a male’s voice in most cases (Deep or Bass).
Range of frequency a human ear can listen is known as the AUDIBLE range and the
range is 20 Hz to 20000 Hz
Infrasonic
(Below) 20 Hz - 20000 Hz (Above) Ultrasonic
Frequency is harmless because we cannot listen to
infra and ultrasonic frequencies.
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