What is total internal reflection ? Under what conditions does it take place ?
ORWhat is total intenal reflection ? What are the necessary conditions for it ? What is the meaning of critical angle C. Obtain a relation between a critical angle and refractive index of medium.
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reflection of a light by a substance throungh through which light can pass is called total internal reflection
it occur when the angle made by the incidence ray is more than critical angle .
critical angle is that angle which is made by incidence ray with normal above which the total internal reflection will take place.
it occur when the angle made by the incidence ray is more than critical angle .
critical angle is that angle which is made by incidence ray with normal above which the total internal reflection will take place.
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