What do you mean by the statement “R.I of glass is 1.5 “.
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Explanation:
Here in this case the R.I of water is 1.33 whereas the R.I of glass is 1.5 so light takes more time to travel through glass as compared to water so that it is considered as denser medium. ... The water has density expected to be 1. All the other substances are measured their density relative to water.
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Answer:
It means that the speed of light in glass is 1.5 times slower than speed of light in air.........
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