A transverse wave propagating along x -axis is represented by y ( x , t ) = 8.0 sin ( 0.5 π x − 4 π t − π /4 ) where x is in metres and t is in seconds. The speed of the wave is:NEET 2006

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It is given that: y ( x 1 ​ t ) = 8.0 sin ( 0.5 π x − 4 π t − 9 λ ​ ) Compare this equation with standard equation y = a sin ( λ 2 π x ​ − T 2 π t ​ + ϕ ) we have λ 2 π ​ ⇒ λ T 2 π ​ ⇒ T U = T 1 ​ ​ = 0.5 π = 0.5 π 2 π ​ = 4 m = 4 π = 2 1 ​ sec = y 2 ​ 1 ​ = 2 H 2 ​ . ​

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