Question

total internal reflection takes place when light passes from​

Answer 1

Answer:

Total internal reflection, in physics, complete reflection of a ray of light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle.

Answer 2

Answer:

lesser medium to denser medium and its totally refleected and its angle called critical angle