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A ray of light incident on an equilatera...

A ray of light incident on an equilateral glass prism propagates parallel to the base line of the prism inside it. Find the angle of incidence of this ray. Given refractive index of material of glass prism is `sqrt(3)`.

Text Solution

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From the diagram, `r = 30^(@)`
`"Also", " " mu = (sini)/(sinr)`
`or, " " sqrt(3) = (sini)/(sinr) or sini = sqrt(3) xx (1)/(2)`
`"Hence", i = 60^(@)`
`therefore` The required angle of incidence is `60^(@)`.
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