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Figure shows a right angled prism ABC ha...

Figure shows a right angled prism ABC having refractive `mu_(g)=(3)/(2)` lowered into water `(mu_(omega)(4)/(3))`. Find angle `alpha` so that the incident ray normal to face AB will be reflected at face BC completely.

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The correct Answer is:
`alpha gt sin^(-1) ((8)/(9))`
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PHYSICS GALAXY - ASHISH ARORA-GEOMETRICAL OPTICS-Unsolved Numerical Problems
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