Week 6 Interference

1
Week 6 Interference
Point Source
Animation following crests of wave (constant
phase)
Interference of two Point Sources - Graphical
Adjust spacing between sources. What happens to
the pattern?
Interference of two Point Sources - Movie
Notice location of nodes and anti-nodes
Interference Pattern at a fixed distance away
(MATHCAD FILE)
http//physics-animations.com/Physics/English/1wa_
tmp.htm
2
Reflection from a Boundary
Phase of reflection from a boundary depends on
mediums on both sides of the interface
Reflection animation
To be shown later in course
Wave passing from LOWER n to HIGHER n has a 180
degree phase change
http//rt210.sl.psu.edu/phys_anim/waves/string_bc.
avi