Equation of a stationary wave is \[y=10\sin \frac{\pi x}{4}\cos 20\pi – McqOptions

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1.	Equation of a stationary wave is \[y=10\sin \frac{\pi x}{4}\cos 20\pi t.\] Distance between two consecutive nodes is [MP PMT 2002]
A.	4
B.	2
C.	1
D.	8
Answer» B. 2

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