A peice of paper completes 50 vibration in 5 sec when some waves pass through the surface of water. Find the time period and the frequency of the piece of paper. If the wavelength of the wave is 10 cm. Find the velocity of the wave.
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Answer:The formula for time is: T (period) = 1 / f (frequency). λ = c / f = wave speed c (m/s) / frequency f (Hz). The unit hertz (Hz) was once called cps = cycles per second.
Explanation:
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