A) \[1{{m}^{-1}}\]
B) \[2{{m}^{-1}}\]
C) \[\pi {{m}^{-1}}\]
D) \[2\pi {{m}^{-1}}\]
Correct Answer: C
Solution :
Given \[Y=0.1\,\sin \,\,(100\pi t-kX)\] \[\omega =100\pi \] Wave number, \[K=\frac{\omega }{V}=\frac{100\pi }{100}=\pi {{m}^{-1}}\]
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