If the refractive index of glass with respect to air is 3/2, what is the refractive index of air with respect to glass?
A
12
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B
3
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C
13
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D
23
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Solution
The correct option is D23 aμg=μgμa=32 where, aμg= Refractive index of glass w.r.t. air μg= Refractive index of glass μa= Refractive index of air Thus, gμa=μaμg=23 where, gμa= Refractive index of air w.r.t. glass