Given a slab with index n=1.33 and incident light striking the top horizontal face at angle i as shown in figure. The maximum value of i for which total internal reflection occurs is

In Fig. find the maximum angle i for which light suffers total internal reflection at the vertical surface.

In Fig., find the maximum angle i for which light suffers total internal reflection at the vertical surface. .

A slab of refractive index mu is placed in air and light is incident at maximum angle theta_0 from vertical. Find minimum value of mu for which total internal reflection takes place at the vertical surface.

A slab of refractive index mu is placed in air and light is incident at maximum angle theta_0 from vertical. Find minimum value of mu for which total internal reflection takes place at the vertical surface.

Consider the situation shown in figure. Find the maximum angle theta for which the light suffers total internal reflection at the vertical surface.

Consider the situation shown in figure. Find the maximum angle theta for which the light suffers total internal reflection at the vertical surface.

Consider the situation shown in figure. Find the maximum angle theta for which the light suffers total internal reflection at the vertical surface.

Cross section of a light pipe is shown in the following figure : Inner core is material of refractive index 1.68 and its outer covering is a material of refractive index 1.44. Find the maximum angle at which the ray can be incident with the axis of pipe for which total internal reflection occurs inside the pipe.

A ray of light is incident on the left vertical face of glass cube of refractive index n_2, as shown in figure. The plane of incidence is the plane of the page, and the cube is surrounded by liquid (refractive index =n_1 ). What is the largest angle of incidence theta_1 for which total internal reflection occurs at the top surfaces?