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E. Wave Front – locus of adjacent points on a wave which are in phase
Top View
Ex) Distance between
arrows
Wavelength of wave?
λ = .30 m
III. Periodic Wave Phenomena
Wave Interference - St. Mary's Physics 2011 St. Mary's Physics YouTube Channel
Beats - When Sounds Overlap
Interference – effect produced by two waves passing simultaneously through a region
1. Superposition – when waves overlap, the resultant displacement is the algebraic sum of the individual displacements of each wave
Monterey Institute
a) Constructive Interference
Wave Interference - St. Mary's Physics 2011
"Show me
the Physics"
1)
2)
Amplitude?
2A
3)
Waves reemerge as separate waves
b) Destructive Interference
1.
2. At moment of overlap, amplitudes cancel (for a moment)
3. Waves reemerge as separate waves
(1) vibrate up and down (2) vibrate left and right (3) vibrate into and out of the page (4) remain stationary
(4) remain stationary
Jan. 2004
+1
15 cm
(Right Click, Save As, Open)
- Paul Hewitt
(Jason P. - 2005)
(R. Meija - 2005)
(Jason P. - 2005)
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