A wave is represented by the equation \[y=0.5\sin (10t-x)m\]. It is a – McqOptions

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1.	A wave is represented by the equation \[y=0.5\sin (10t-x)m\]. It is a travelling wave propagating along the + x direction with velocity [Roorkee 1995]
A.	10 m/s
B.	20 m/s
C.	5 m/s
D.	None of these
Answer» B. 20 m/s

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