what is frequency. Write a short on frequency of Sound? Class 8 chapter 13 NCERT.
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Frequency, in physics, the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.
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Frequency is the number of occurrences of a repating even per unit time. it is also referred as temporarl frequency which emphasizes the contrast to spatial frequency and angular frequency. Frequency is measured is unit of hertz which is equal to one occurence of a revent per second
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