E. What is frequency?
a) how high or low a sound is
b) the number of vibrations
c) the loudness or softness of a sound
d) the back and forth movement of matter
per second
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Explanation:
Frequency is the number of occurrences of a repeating event per unit of time. It is also referred to as temporal frequency, which emphasizes the contrast to spatial frequency and angular frequency. Frequency is measured in hertz which is equal to one event per second.
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Answer:
a) option A
Explanation:
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