Question

what is total internal re flection give any two examples.​

Answer 1

Take the example of RAINBOW... The total internal reflection means the light which first refracts through the drop(as per the example) then undergoes this fraction to disperse the seven colours..

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Answer 2

heya!!

here is your answer☺

$total \: internal \: reflection$

When light enters obliquely from a denser medium to a rarer medium and the angle of incidence exceeds critical angle, the light reflects in the denser medium.This is called total INTERNAL REFLECTION.

$example$

Rainbow Formation.