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ICSE Class 10 Physics 2019 Paper

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Question : 12 of 74
Marks: +1, -0
What is the relation between the refractive index of water with respect to air (aμw)({}_a \mu_w) and the refractive index of air with respect to water (wμ0)({}_w \mu_0) .
Solution:  
aμw=1wμa{}_a \mu_w = \frac{1}{{}_w \mu_a}
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