A ray of light incident on an equilateral glass prism moves parallel to the base of the prism inside it.what is the angle of incidence?
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In equilateral glass prism A= 60
i= e
and radius = A/2 = 30
by Snell's law
sin i/ sin r= n
sin i/ sin 30= n
sin i= n/2
i = sin⁻n/2
i= e
and radius = A/2 = 30
by Snell's law
sin i/ sin r= n
sin i/ sin 30= n
sin i= n/2
i = sin⁻n/2
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