The equation of a wave is given by y=asinω(xv−k), where ω is angular velocity and v is linear velocity. The dimensions of K will be
A
[T2]
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B
[T−2]
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C
[T]
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D
[LT]
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Solution
The correct option is C[T] The quantity (ωxv−ωk) inside the sine function has dimension of angle and hence ωk is dimensionless being angle. But [ω]=[T−1], therefore [k]=[T]