Sunday, July 12, 2009

Define the following terms: a. reflection b. refraction c. diffraction d. interference?

Reflection (physics), a wave phenomenon commonly observed in mirrors.





Refraction is the change in direction of a wave due to a change in its speed.





Diffraction refers to various phenomena associated with the bending of waves when they interact with obstacles in their path.





Interference is the addition (superposition) of two or more waves that results in a new wave pattern.

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