Explain total internal Reflection and its application(Explain with diagram) • From denser medium to less dense medium • In (a) θa > θg. Refraction • In (b) as θg is increased θa increases until = 90o Critical angle of incidence • In (c) θg is increased further until the ‘refracted’ ray is totally reflected. Total Internal Reflection

Explain total internal Reflection and its application(Explain with diagram) • From denser medium to less dense medium • In (a) θa > θg. Refraction • In (b) as θg is increased θa increases until = 90o Critical angle of incidence • In (c) θg is increased further until the ‘refracted’ ray is totally reflected. Total Internal Reflection