What is critical angle of interface?

1.	What is critical angle of interface?
Answer» The angle of incidence at which the light ray travels from denser to rarer medium grazes along the interface is called the critical angle of that interface. sin C = n₂/n₁ where n₁ is the refractive index of the denser medium and n₂ is the refractive index of the rarer medium.

Answer»

The angle of incidence at which the light ray travels from denser to rarer medium grazes along the interface is called the critical angle of that interface.

sin C = n₂/n₁

where n₁ is the refractive index of the denser medium and n₂ is the refractive index of the rarer medium.

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What is critical angle of interface?

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