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1. The ray of light should go from denser to rarer medium. 2. The angle of incidence should be greater than the critical angle. Example:- Mirage in deserts and Looming. Hope it helps :) Send a thnx n rate it plzzz !
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Total Internal reflection is a phenomena in which a light ray reflects back into denser medium when travelling from denser to rarer medium with an angle of incidence greater than the critical angle.
Examples:1)Mirage2)looming3)a fish under water can only see a disc of surface above it.
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