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प्रश्न
The refractive index of glass with respect to air is 1.5. What is the value of the refractive index of air with respect to glass?
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उत्तर
aμg = 1.5
gμa = `1/(""_"a"mu_"g")`
= `1/1.5`
= 0.666
= 0.67
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