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Ray Optics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
Question
Deviation of 5° is observed from a prism whose angle is small and whose refractive index is 1.5. The angle of prism is (a) 7.5°(b) 10°(c) 5° (d) 3.3°
       
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Answer

(b) 10°

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