The equation of a progressive wave is `y =4 sin (4 pi t-0.04 x+pi/3)` where x is in metre and t is in second. The velocity of the wave is
The equation of a progressive wave is `y =4 sin (4 pi t-0.04 x+pi/3)` where x is in metre and t is in second. The velocity of the wave is
A. `100 pi ms^(-1)`
B. `50 pi ms^(-1)`
C. `25 pi ms^(-1)`
D. `pi ms^(-1)`
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Correct Answer - A
The equation of the progresive wave is given as `y=4 sin (4 pi t-0.04+pi//3)`.
The velocity of the wave would be equal to
`omega/k=(4pi)/0.04=100 pi ms^(-1)`
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