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Light is incident at point A on one of t...

Light is incident at point A on one of the faces of a diamond crystal `(mu = 2.0)`. Find the maximum allowed value of angle of incidence `theta` so that light suffers total internal reflection at point B.

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The correct Answer is:
`theta_(max) = sin^(-1) (2 sin 15^(@))`
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ARIHANT-GEOMETRICAL OPTICS-Level 2
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