Question

If refractive index of medium
2with respect to medium 1 is
n21,then refractive index of
medium 1with respect to
medium 2 (n12) is ?
O n12= n21
O n12 = 1/ n21
O n12/ n21= 1
O None of these​

Answer 1

Answer:

your answer is None of the above

Explanation:

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