Question

what is internal refraction

Answer 1

internal refraction: Total internal reflection, in physics, complete reflection of a ray of light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.

Answer 2

here's ur answer

=Total internal refraction,in Physics complete reflection of a ray of light with a medium such a water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angles of incidence is greater then a certain limiting angles,called the critical angle".

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