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Electrical Engineering

When a light ray travelling in glass is incident on an air surface, A. it will refract away from the normal B. some of the light may be reflected C. all of the light may be reflected D. two of A, B, and C E. all of A, B, and C

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When a light ray travelling in glass is incident on an air surface,  A. it will refract away from the normal  
B. some of the light may be reflected
C. all of the light may be reflected  
D. two of A, B, and C
E. all of A, B, and C
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E. all of A, B, and C
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