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Ch. 17 & 18 Vocab
Term | Definition |
---|---|
Reflection | Occurs when a wave bounces off a surface that it cannot pass through |
Refraction | Bending of a wave as it enters a new medium at an angle |
Diffraction | Bending of a wave as it moves around an obstacle or passes through a narrow opening |
Interference | Occurs when two or more waves overlap and combine together |
Constructive Interference | Occurs when two two or more waves combine to produce a wave with a larger displacement |
Destructive Interference | Occurs when two or more waves combine to produce a wave with a smaller displacements |
Standing Wave | Appears to stay in one place, it does not seem to move through the medium |
Node | Point on a standing wave that has no displacement from the rest position |
Antinode | Point where a crest or trough occurs midway between two nodes |
Electromagnetic Waves | |
Electric Field | |
Magnetic Field | |
Electromagnetic Radiation | |
Photoelectric Effect | |
Photons | |
Intensity | |
Electromagnetic Spectrum | |
Amplitude Modulation | |
Frequency Modulation | |
Thermograms |