3.3.1: Progressive and Stationary Waves

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7 Terms

1
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<p>Explain what this displacement-distance graph shows?</p>

Explain what this displacement-distance graph shows?

This is a snapshot of the wave at a particular time, showing the amplitude, crest, trough and wavelength

2
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<p>Explain what this displacement-time graph shows?</p>

Explain what this displacement-time graph shows?

This shows how part of the wave varies over time. Where the wavelength would have been is now the time period, but the amplitude remains the same

3
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<p>What does this show?</p>

What does this show?

The wavefront of plane waves

4
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<p>What does this show?</p>

What does this show?

The wavefront of circular waves

5
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<p>What does this show?</p>

What does this show?

Two waves in phase with each other.

6
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<p>What does this show?</p>

What does this show?

Two waves that are antiphase or have a 180 degree phase difference with each other

7
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<p>How could you describe the relationship between the purple and green wave?</p>

How could you describe the relationship between the purple and green wave?

The purple wave is said to lag behind the green wave by ¼ λ