Question

Define frequency.

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Answer 1

Answer:

Frequency describes the number of waves that pass a fixed place in a given amount of time. ... Usually frequency is measured in the hertz unit, named in honor of the 19th-century German physicist Heinrich Rudolf Hertz. The hertz measurement, abbreviated Hz, is the number of waves that pass by per second.

Explanation:

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Answer 2

Explanation:

the number of oscillations per second is called the frequency. frequency is expressed by heart if one object oscillates 30 times in one second then frequency of object will be 30 heart touch.