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15 cards from this deck
The bouncing of waves off an obstacle in their path
Frequency, speed, and wavelength remain constant
Echoes
Changing of wave direction when entering a medium where its speed changes
Frequency (depends only on the source)
Increases (since v=fλv = f\lambdav=fλ and frequency is constant)
Sideways spreading of waves through a gap or around an obstacle
When gap size is similar to the wavelength
Displacement at any point = algebraic sum of individual wave displacements
Waves meet in phase (crest meets crest, trough meets trough)
Waves meet out of phase (crest meets trough)
Regions of maximum disturbance from constructive interference
Regions of minimum disturbance from destructive interference
Only transverse waves (not longitudinal)
No light passes through the second filter
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