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Question

When a ray of light travels from an optically denser medium to an optically rarer medium
  1. it moves towards the normal
  2. it moves away from the normal
  3. it is not refracted
  4. it is reflected back in the denser medium

A
it moves towards the normal
B
it is reflected back in the denser medium
C
it is not refracted
D
it moves away from the normal
Solution
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When a ray of light moves from optically denser to optically rarer medium, it bends away from normal.

Answer-(B)


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