" For total internal reflection of light condition is "

Define total internal reflection of light.

What is total internal reflection ? Under what conditions it takes place ?

For total internal reflection, light must travel

Define total internal reflection. State its conditions. How do optical fibres transmit light without absorption.

What is total internal reflection ? What are its conditions ? Establish relationship between critical angle and refractive index.

Explain the phenomenon of total internal reflection. What are the conditions for the phenomenon ? Explain the meaning of critical angle.

What is total internal reflection of light ? What are conditions for total internal reflection ?

Name the devices in which total internal reflection of light is used.