Question

The number of oscillations per second is
called the fres ncy Oscillation. Frequency is
expressed in hertz (HZ).People can hear
sounds at frequencies from___ Hz
to___

Hz.
a)10 Hz to 20,000 Hz
b)1000 Hz to 5000 Hz
c) 20Hz to 20000 Hz
d) None of the above.​

Answer 1

Answer:

20 Hz and 20,000 Hz

Explanation:

Human beings can normally hear sounds with a frequency between about 20 Hz and 20,000 Hz. Sounds with frequencies below 20 hertz are called infrasound. Infrasound is too low-pitched for humans to hear. Sounds with frequencies above 20,000 hertz are called ultrasound.

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Answer 2

Answer:

a 20 to 20000hertz okay okay