Vocabulary |
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video
resource lesson |
Vocabulary
| point source | wavefront |
| circular wave | plane wave |
| incident wavefront | incident ray |
| interface | angle of incidence |
| normal | angle of reflection |
| reflected ray | reflected wavefront |
| image source (circular reflections off a straight barrier) |
wavelength (l) |
| frequency (¦) | wave velocity (vw) |
| relationship between frequency and period (¦,T) | superposition |
| interference (resultant) | troughs |
| crests | destructive (nodes) |
| constructive (antinodes) | central maximum |
| changes that occur when
two in-phase point sources (same distance apart) change frequency |
changes that occur
when two in-phase point sources (same f) move closer together vs farther apart |
| damped | parabolic barrier |
| focus | relationship between frequency and wavelength (¦,l) |
| diffraction | behavior through large vs small openings |
| behavior around large vs small obstacles | refraction |
| medium | short wavelengths vs long wavelengths |
| angle of refraction | bending towards/away from the normal |
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