Question

8. What quality of sound does the frequency determine?
9. What is the unit of frequency and what does it measure?
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Answer 1

Answer:

ans 8. Pitch depends on the frequency of a sound wave. When you listen to music, you hear both high and low sounds. The characteristic of highness or lowness of a sound is called The frequency of a sound wave determines the pitch of the sound you hear.

ans 9. hertz (Hz)

The SI unit for frequency is the hertz (Hz). One hertz is the same as one cycle per second.

Explanation:

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