Total Internal Reflection

What is total internal reflection (TIR)?

What must happen in order for TIR to occur? (name 2 conditions)

How do you calculate refractive index?

What is the critical angle?

How do you calculate the critical angle?

How do you calculate the critical angle of which the light ray passes from a medium into AIR?

What are the uses of total internal reflection (TIR)?

What do mediums with a high refractive index usually have (critical angle)?

Define angle of incidence and angle of refraction.

What is refractive index?