23_InstSolManual_PDF_Part7 - B at zero angle of incidence...

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23.28. Set Up: For reflection, Solve: The law of reflection is used to trace each ray in parts a , b , and c of Figure 23.28. Ray 1 strikes mirror B at an angle of incidence of zero so reflects straight back and retraces its path. When it reaches point P it then continues to travel parallel to the surface of mirror B and has no further reflections. Ray 2 reflects from B and then travels parallel to the surface of A and has no further reflections. Ray 3 strikes mirror
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Unformatted text preview: B at zero angle of incidence and reflects straight back. It reflects from mirror A and then travels parallel to the surface of mirror B and has no further reflections. Figure 23.28 45 ° 45 ° 2 P B 45 ° 45 ° A ( b ) 45 ° 45 ° 45 ° 45 ° B 1 P A ( a ) B A P 3 45 ° 45 ° 45 ° 45 ° ( c ) u r 5 u a . Electromagnetic Waves 23-7...
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