Question

If the refractive index of glass with respective to air is 3/2 ,what is the refractive index of air with respective glass?

Answer 1

refractive index of air with respect to glass is 2/3

Answer 2

refrective index of air with respective glass =
$\frac{nw }{ng}$
$\frac{2}{3}$
ur final answer is 2/3
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