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Behavior of Waves

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by

Josh Gordon

on 13 May 2015

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Transcript of Behavior of Waves

Behavior of Waves
Reflection
Occurs when a wave strikes an object and bounces off it.
All waves can be reflected
Examples or Reflections?
End of Chapter 11!!
Thank you!
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
Interference
When two or more waves overlap and combine to form a new wave.
Refraction
Diffraction
Occurs when an object causes a wave to change direction and bend around it.
60 degrees
60 degrees
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

Constructive Interference
Waves add together
Amplitude of new wave is equal to the sum of the two original waves
Destructive Interference
Waves subtract from each other as they overlap
Amplitude of the new wave is the difference between the amplitudes of the overlapping waves
Full transcript