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What is a medium?
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Key Terms
Term
Definition
What is a medium?
A medium is the substance or material through which a pulse moves.
Define a pulse.
A pulse is a single disturbance that moves through a medium.
What characterizes a transverse pulse?
In a transverse pulse, the displacement of particles of the medium is perpendicular to the direction of movement of the pulse.
What is amplitude in the context of a pulse?
The amplitude of a pulse is the maximum disturbance from its rest (equilibrium) position.
How is pulse speed defined?
Pulse speed is the distance a pulse travels per unit time, calculated as v=D/t.
What factors affect pulse speed?
Pulse speed depends on the properties of the medium, not on the amplitude or pulse length.
Related Flashcard Decks
| Term | Definition |
|---|---|
What is a medium? | A medium is the substance or material through which a pulse moves. |
Define a pulse. | A pulse is a single disturbance that moves through a medium. |
What characterizes a transverse pulse? | In a transverse pulse, the displacement of particles of the medium is perpendicular to the direction of movement of the pulse. |
What is amplitude in the context of a pulse? | The amplitude of a pulse is the maximum disturbance from its rest (equilibrium) position. |
How is pulse speed defined? | Pulse speed is the distance a pulse travels per unit time, calculated as v=D/t. |
What factors affect pulse speed? | Pulse speed depends on the properties of the medium, not on the amplitude or pulse length. |
Explain the principle of superposition. | The principle of superposition states that when two disturbances occupy the same space at the same time, the resulting disturbance is the sum of the two disturbances. |
What is constructive interference? | Constructive interference occurs when two pulses meet to create a larger pulse, such as two crests or two troughs meeting. |
Describe destructive interference. | Destructive interference is when two pulses meet, resulting in a smaller pulse. |
What are the units for amplitude and pulse speed? | Amplitude is measured in metres (m), and pulse speed is measured in metres per second (m⋅s−1). |