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The critical angle for glass air interfa...

The critical angle for glass air interface is `C` and for glass water interface ic `C'`. How are `C and C'` related ?

Text Solution

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`sin C = (1)/(.^(a)mu_(g)) = (1)/(3//2) = (2)/(3)` and
`sin C' = (1)/(.^(w)mu_(g)) = (1)/(9//8) = (8)/(9)`
As `sin C' gt sin C :. C' gt C`.
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