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Ripples are being generated by a vibrator on the surface of water. The distance between two consecutive crests is 3 cm. Ripples cover a distance of 25.2 cm in 1.2 sec. Calculate the wavelength , wave velocity and frequency of the generated waves.

Answer»

tance between TWO consecutive crests is 3 cm=> WAVELENGTH (L) = 3cm============================Ripples cover a DISTANCE of 25.2 cm in 1.2 SEC=> wave velocity = distance/time = 25.2/1.2 = 21 cm/s===========================velocity = frequency × wavelength=> frequency = velocity / wavelength=> frequency = 21/3 = 7 HzThus,wavelength = 3cmfrequency = 7 Hzvelocity = 21 m/s



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