Refractive index of glass with respect to water is 1.125. If the absolute refractive index of glass is 1.5, then the absolute refractive index of water is ___.
A
1.5
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B
1.33
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C
1.7
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D
1.9
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Solution
The correct option is B 1.33 Here, the refractive index of glass with respect to water i.e., wμg=1.125 and absolute refractive index of glass μg=1.5 We know that wμg=aμgwμg=1.51.125=1.33