Physics » Mechanical Waves and Sound » Summary of Transverse Pulses

Summary and Main Ideas

Summary

• A medium is the substance or material in which a pulse will move.

• A pulse is a single disturbance that moves through a medium.

• The amplitude of a pulse is the maximum disturbance or distance the medium is displaced from its equilibrium position (rest).

• Pulse speed is the distance a pulse travels per unit time.

• Constructive interference is when two pulses meet and result in a bigger pulse.

• Destructive interference is when two pulses meet and and result in a smaller pulse.

Table: Units used in transverse pulses

 Physical Quantities Quantity Unit name Unit symbol Amplitude (A) metre m Pulse speed (v) metre per second $$\text{m·s^{-1}}$$

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