Wave pulse on a string shown in figure is moving to the right without changing shape. Consider two particles at positions x1=1.5mandx2=2.5m. Their transverse velocities at the moment shown in figure are along directions.
A
positive y-axis and positive y-axis, respectively
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B
negative y-axis and y-axis, respectively
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C
positive y-axis and negative y-axis, respectively
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D
negative y-axis and negative y-axis, respectively
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Solution
The correct option is Bnegative y-axis and y-axis, respectively
Dotted shape shows pulse position after a short time interval. Direction of the velocities are decided according to direction of displacements of the particle.