Waves (U-2)

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Last updated 9:32 AM on 6/23/26
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4 Terms

1
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Two waves from the same source arrive at a point with a path difference of 3/8 λ , where λ is the wavelength.

What is the phase difference?

phase diff(Δϕ) / 360° or 2π = path difference (Δx) / λ

(path difference is also denoted by (Δd) )

<p>phase diff(Δϕ) / 360° or 2π = path difference (Δx) / λ</p><p>(path difference is also denoted by (Δd) )</p>
2
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what are nodes?

- nodes are points of minimum amplitude

- where destructive interference occurs

(or destructive superposition)

[The nodes and antinodes do not move along the string Nodes are fixed and antinodes only move in the vertical direction ]

<p>- nodes are points of minimum amplitude</p><p>- where destructive interference occurs</p><p>(or destructive superposition)</p><p>[The nodes and antinodes do not move along the string Nodes are fixed and antinodes only move in the vertical direction ]</p>
3
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What are antinodes?

- antinodes are points of maximum amplitude

- where constructive interference occurs

(or constructive superposition)

<p>- antinodes are points of maximum amplitude</p><p>- where constructive interference occurs</p><p>(or constructive superposition)</p>
4
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