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Behavior of Waves
Transcript of Behavior of Waves
Occurs when a wave strikes an object and bounces off it.
All waves can be reflected
Examples or Reflections?
End of Chapter 11!!
Law of Reflection
The angle of incidence is equal to the angle of reflection.
beam striking the object is the incidence beam
beam that bounces off is the reflected beam
When two or more waves overlap and combine to form a new wave.
Occurs when an object causes a wave to change direction and bend around it.
Bending of a wave caused by a change in its speed as it moves from one medium to another.
A waves speed depends on the medium it travels through.
Waves change direction (or bend) as they change speeds
Waves bend around corners and spread out
Refraction vs Diffraction
rarefraction occurs when waves pass through an object
diffraction occurs when waves pass around an object
Waves add together
Amplitude of new wave is equal to the sum of the two original waves
Waves subtract from each other as they overlap
Amplitude of the new wave is the difference between the amplitudes of the overlapping waves