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Ray Optics — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
Question

Minimum deviation is observed with a prism having angle of prism A, angle of deviation δ, angle of incidence i and angle of emergence e. We then have generally

(a) i > e   

(b) i < e

(c) i = e   

(d) i = e = δ
✓

Answer

(c) i = e   

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