Two pulses are moving along a string one pulse is moving to the right and the second is moving to the left. Both pulses reach point P at the same instant

Constructive interference

Explanation:

- This is an example of a standing wave produced when two ends of a string are oscillated in the same plane. The displacement of of point on two ends oscillates vertically.

- We are given that two pulses move along the string each coming towards each other and meet at a common point ( P ).

- Each pulse have their own magnitude or displacement in the vertical plane. If the pulses are to meet at a common point at the same instant, then they interfere with each other constructively.

- Where constructive interference of two pulses is the addition of magnitudes of induvidual pulses and form a single puls of the constructed magnitude.

    magnitude ( New pulse ) = magnitude (Pulse 1) + magnitude (Pulse 2)

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