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Solution


Q.

A travelling wave is described by the equation y(x,t)=0.05sin(8x-4t) m. The velocity of the wave is: - [all the quantities are in SI unit]
1 4 ms-1  
2 2 ms-1  
3 0.5 ms-1  
4 8 ms-1  

Ans.

(3)

V=ωk