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An equilateral glass prism is made of a ...

An equilateral glass prism is made of a material of refractive index 1.500. Find its angle of minimum deviation.

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`A = 60^(@), mu = 1.5 , delta = ?`
Substituting in `mu = (sin.(A + delta)/(2))/(sin.(A)/(2))`
`1.5 = (sin[(60^(@)+delta)/(2)])/(sin[(60)/(2)])`
`sin [(60^(@)+delta)/(2)]= 1.5 xx 0.5000 = 0.7500`
`(60^(@) + delta)/(2) = 48^(@)35' , 60^(@) + delta = 97^(@)10'`
`rArr delta = 37^(@)10'`
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