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March 26, 2017

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A certain wave is incident on an interface at an angle of 40 deg. The wave emerges into the other material at an angle of 30 deg. Crossing the interface, the wave:
a. increased speed
b. reduced speed
c. maintained constant

I think reduces its speed, but I'm not sure.

  • Physics - ,

    slowed down assuming you are measuring that angle from normal to the surface.

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