Total internal reflection can take place only if

light goes from optically raer medium (smaller refractive index) to optically denser medium

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light goes from optically denser medium to rarer medium

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the refractive indices of the two media are close to different

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the refractive indices of the two media are widely different

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Solution

The correct option is B light goes from optically denser medium to rarer medium
Total internal reflection can take place only if

(1) Light goes from optically denser medium to rarer medium

(2) Angle of incidence is greater than the critical angle

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Similar questions

Total Internal reflection happens only when light is travelling from an optically denser medium to an optically rarer medium.

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