Lesson 2 Wave Interactions
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Standing Wave
A wave that appears to stand in one place, even though it is two waves interfering as they pass through each other.
Refraction
The bending of waves as they enter a new medium at an angle, caused by a change in speed.
Diffraction
The bending or spreading of waves as they move around a barrier or pass through an opening.
Reflection
The bouncing back of an object or a wave when it hits a surface through which it cannot pass.
Resonance
The increase in the amplitude of a vibration that occurs when external vibrations match an object's natural frequency.
Interference
The interaction between waves that meet.
Absorption
The transfer of energy from a wave to a material that it encounters.
