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Relation between critical angles of wate...

Relation between critical angles of water and glass is

A

`(i_(c) )_(w) gt (i_(c))_(g) `

B

`(i_(c))_(w) lt (i_(c))_(g)`

C

`(i_(c))_(w) = (i_(c))_(g)`

D

`(i_(c))_(w) = (i_(c))_(g) = 0 `

Text Solution

Verified by Experts

The correct Answer is:
A
`i_(c ) = sin^(-1) ((1)/(n_(21)))`
`n_(g) gt n_(w) rArr (i_(c ) )_(w) gt (i_(c ))_(g)`.
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