Which of the following equations represents a wave travelling along Y-axis ?
A
x=Asin(ky−ωt)
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B
y=Asin(kx−ωt)
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C
y=Asinkycosωt
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D
y=Acoskysinωt
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Solution
The correct option is Ax=Asin(ky−ωt) (a) x = A sin (ky -ωt)
EXPLANATION: In a transverse wave, the displacement of a particle is perpendicular to the direction of the wave motion. So the displacement of the particle in a wave traveling along Y-axis will be along X-axis.