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When a wave travels in a medium,the part...

When a wave travels in a medium,the particle displacements are given by :`y(x,t)=0.03 sin pi(2t-0.01x)` where y and x are in m, etres and t in seconds.the wavelength of the wave is :

A

10 m

B

20 m

C

100 m

D

200 m

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