JEE Mains Model Paper 20

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Question : 37 of 90
 
Marks: +1, -0
The wave disturbance propagating in the positive x-direction is given by y =
1
1+x2
at t = 0 and y =
1
[1+(x−1)2]
at t = 2 sec. Find the velocity of the wave. (x and y are in cm)
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