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What is the Brewster angle for air to gl...

What is the Brewster angle for air to glass transtion ? (Refractive index of glass=1.5)

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Here `n=1.5`. If Brewster angle be `i_(p)`, then `"tani"_(p)=n`
`impliesi_(p)=tan^(-1)(n)=tan^(-1)(1.5)=56.3^(@)`.
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