what is mean by internal reflection?
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Total internal reflection is the phenomenon which occurs when a propagated wave strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface. ... The critical angle is the angle of incidence above which the total internal reflection occurs.
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Total internal reflection. In physics, complete reflection of a ray light within a medium such a water or glass from the surrounding surface back into the medium. Please mark as brainlest answers
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