The phenomenon of reflection of light when it travels from a denser medium to rarer medium is called as:

Final internal reflection

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Total internal reflection

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Critical angle of reflection

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Total internal refraction

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Solution

The correct option is B
Total internal reflection

The critical angle is the angle above which the total internal reflection occurs and if the angle of incidence is more than critical angle then the light reflects back into the same medium.

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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.

Total internal reflection of a ray of light is possible when the ( $i_{c}$ = critical angle, $i$ = angle of incidence)

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