Question

Is angle of incidence equal to angle of emergence in a glass slab?​

Answer 1

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Is angle of incidence equal to angle of emergence in a glass slab?

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The light refracts or bends as it enters the glass, then carries on and emerges at a new angle back into the air. The ray of light coming out is parallel to the incident ray and the angle of emergence is the same as the angle of incidence.

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Answer 2

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The light refracts or bends as it enters the glass, then carries on and emerges at a new angle back into the air. The ray of light coming out is parallel to the incident ray and the angle of emergence is the same as the angle of incidence.