what is frequency and frequency poligon
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The number of vibration/oscillation per second is called the frequency of the wave. It is represented by the symbol (nu). Its S.I unit is Hertz (Hz).
A frequency polygon is a closed figure that is formed by joining the top midpoints of all the rectangles of histograms using a straight line.
Whereas frequency curve is a curve that is obtained by joining the top midpoints of all rectangles of a histogram using a free hand.
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Answer:
the number of oscillations a pendulum makes in 1 s is called is frequency .
Step-by-step explanation:
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