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Electrical Engineering

On a rainy day, small oil films on water show brilliant colors'. This is due to A. dispersion B. interference C. diffraction D. Polarization 49.The critical angle for a beam of light passing from water into air is 48.8 °. This means that all light rays with an angle of incidence greater than this angle will be A. absorbed B. totally reflected C. Partially reflected and partially transmitted D. Totally transmitted

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On a rainy day, small oil films on water show brilliant colors'. This is due to A. dispersion B. interference C. diffraction D. Polarization 49.The critical angle for a beam of light passing from water into air is 48.8 °.  This means that all light rays with an angle of incidence greater than this  angle will be  
A. absorbed B. totally reflected  
C. Partially reflected and partially transmitted  
 D. Totally transmitted
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C. Partially reflected and partially transmitted
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