A wave is represented by the equation \[y=7\sin \{\pi (2t-2x)\}\] wher – McqOptions

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1.	A wave is represented by the equation \[y=7\sin \{\pi (2t-2x)\}\] where \[x\] is in metres and \[t\] in seconds. The velocity of the wave is [CPMT 2000; CBSE PMT 2000; Pb. PET 2000]
A.	1 m/s
B.	2 m/s
C.	5 m/s
D.	10 m/s
Answer» B. 2 m/s

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