answer this question........
Answers
Explanation:
In frst diagram if you see ray of light is moving from rare medium to denser medium so it bends bends towards the normal
in second diagram ray of light is moving frm denser to rare therefore it bends away frm the normal
In third ray of light has striked the normal perpendicularly therefore it passes undeviated means without any bending
RAY OF LIGHT=INCIDENT RAY(ACC. TO THE ABOVE QUES)
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