The equation of a progressive wave is \[y=8\sin \left[ \pi \left( \fra – McqOptions

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1.	The equation of a progressive wave is \[y=8\sin \left[ \pi \left( \frac{t}{10}-\frac{x}{4} \right)+\frac{\pi }{3} \right]\]. The wavelength of the wave is [MH CET 2002]
A.	8 m
B.	4 m
C.	2 m
D.	10 m
Answer» B. 4 m

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