1. A wave of short duration confined to a small portion of a medium at any given time is called a pulse.

    A wave of short duration confined to a small portion of a medium at any given time is called a pulse.

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  2. Energy ( or the disturbance) moves from one end to the other of the slinky.

    Energy ( or the disturbance) moves from one end to the other of the slinky.

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