describe light Refraction by a glass slab .
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1) when light goes from Air to glas slab it bends towards it's normal.
2) when it goes from Glass to Air it bends away from normal.
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2) when it goes from Glass to Air it bends away from normal.
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When light rays travelling through air enters glass slab, they get refracted and bend towards the normal. ... Since the ray of light I know travelling from denser medium to rarer medium, it bends away from the normal. In this case incident ray and the emergent ray are parallel to each other.
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