A source of Sound produces 20 compressions and 20 rarefactions in 0.2 seconds the distance between a compression and next rarefaction is 50 cm find the wavelength frequency and time period of the wave
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Explanation:
The source of sounds produces 20 compressions and 20 rarefactions in 0.2 seconds. The distance between onecompression and rarefaction is 50 cm. Find the wavelength ,frequency and time period of the wave.
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Answer:
Wavelength = 2(distance between a compression and next rarefaction)
= 2 x 50 =100cm
Frequency = 20/0.2 = 100Hz
Time period = 1/100 = 0.01 s
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