Question

OBSERVATIONS Na ANGLE OF INCIDENCE ANGLE OF EMERGENCE Ze ANGLE OR PRISMA ANGLE OR DEVIATION AD 21+ JAD 30 2. 35 3 40° 45. 50 ULT AND CONCLUSION 1. Angle of incidence + Angle of emergence = Angle of prism + Angle of deviation 2. The angle of deviation first decreases with the increase in increases​

Answer 1

Answer:

30°

Explanation:

in given image

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