Progressive Wave: Motion of Particles on Pulse

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A sinusoidal progressive pulse is generated on a string, moving along the positive x-axis. The motion of particles on the pulse involves the front part moving upwards along the positive y-axis while the rear part moves downwards along the negative y-axis. There is uncertainty regarding the specific type of pulse being discussed, whether it is a quarter wave, half wave, or whole wave. A quarter wave would result in all points being displaced from their original positions. Understanding the type of pulse is crucial for analyzing the particle motion accurately.
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1. A sinusoidal progressive pulse is generated on a string. The pulse is moving in positive x-axis.



2. What will be motion of the particles on the pulse.



3. Points in the front part moving towards positive y-axis and the rear part points will move along negative y axis.
 
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Not sure what pulse implies here. Is it a quarter wave, a half wave or a whole one? E.g. a quarter wave would leave all points displaced from original position.
 

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