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1. Types of waves 2. The wave equation of motion: y(x,t) = ymsin(kx ...

1. Types of waves 2. The wave equation of motion: y(x,t) = ymsin(kx ...

1. Types of waves 2. The wave equation of motion: y(x,t) = ymsin(kx ...

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Wave Interference in 2-D<br />

Example problem<br />

λ<br />

S 1<br />

v<br />

d<br />

S 2<br />

r 1<br />

y<br />

“beach”<br />

“breakwater”<br />

r 2<br />

L<br />

lines <strong>of</strong> antinodes joins points <strong>of</strong> constructive<br />

interference (maximum amplitude)<br />

lines <strong>of</strong> nodes joins points <strong>of</strong> destructive<br />

interference (minimum amplitude)<br />

PHYS 1101, Winter 2009, Pr<strong>of</strong>. Clarke 23

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