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17.3 Chemistry
Vocabulary Words
Question | Answer |
---|---|
reflection | occurs when a wave bounces off a surface that it cannot pass through |
refraction | the bending of a wave as it enters a new medium at an angle |
diffraction | the 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 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 displacement |
standing wave | a wave that appears to stay in one place |
node | a point on a standing wave that has no displacement from the rest position |
antinode | a point where a crest or trough occurs midway between two nodes |