for an equilateral triangular prism the angle of incidence and emergen

1.	for an equilateral triangular prism the angle of incidence and emergence are 45 and 55 res.the angle of deviation is
Answer» => Angle of deviation = 40 deg

for an equilateral triangular prism the angle of incidence and emergence are 45 and 55 res.the angle of deviation is

Answer»

=> Angle of deviation = 40 deg

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for an equilateral triangular prism the angle of incidence and emergence are 45 and 55 res.the angle of deviation is​

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for an equilateral triangular prism the angle of incidence and emergence are 45 and 55 res.the angle of deviation is