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CBSE Class 9 Answered

A body vibrating with a time period of 2 milliseconds produces a wave travelling in a medium with a velocity of 1250 m/s. What is the wavelength.
Asked by mkmishra101 | 16 Feb, 2016, 06:30: PM
answered-by-expert Expert Answer

begin mathsize 12px style Here comma space Time space Period comma space straight T space equals space 2 space ms space equals space 2 space cross times space 10 to the power of negative 3 end exponent space straight s Velocity comma space straight v space equals space 1250 space straight m divided by straight s straight v space equals straight lambda over straight T 1250 space equals space fraction numerator straight lambda over denominator space 2 space cross times space 10 to the power of negative 3 end exponent end fraction therefore straight lambda space equals space 2.5 space straight m end style

Answered by Yashvanti Jain | 16 Feb, 2016, 06:54: PM

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