Define critical angle for a pair of media.

Define critical angle of a pair of media.

Explain the term critical angle for a pair of media. Derive a relation between critical angle and refractive index of a denser medium with respect to a rarer medium.

Write a formula to express the relationship between refractive index of the denser medium with respect to rarer medium and its critical angle for that pair of media.

Name two factors which affect the critical angle for a given pair of media. State how do the factors affect it.

Name the factors affecting the critical angle for the pair of media.

Define critical angle for a given medium