Light enters at an angle of incidence in a transparent rod of refractive index n. For what value of the refractive index of the material of the rod the light once entered into it will not leave it through its lateral face whatsoever be the value of angle of incidence.

Light enters at an angle of incidance in a tranjsparent road of refractve index mu. for what value of the refractive index of the material of the rod the light once entered into it will not leave it through its lateral face whatsoever be the value of angle of incidance ?

Light enters at an angle of incidence in a transparent rod of material of refractive index mu . The light once entered into it will not leave it through its lateral face, whatsoever be the value of angle of incidence, if

Light is incident at an angle i on one planer end of a transparent cylinderical rod of refractive index mu. Find the least value of mu so that the light entering the rod does not emerge from the curved surface of the rod irrespective of the value of i.

Light is incident at an angle alpha on one planar end of a transparent cylindrical rod of refractive index mu . Determine the least value of mu so that the light entering the rod does not emerge from the curved surface of rod irrespective of the value of alpha

A monochromatic ray of light in incident normally on a refracting face of a prism of angle 30^(@) . The refractive index of the material of the prism 1.5 . The angle of emergence will be

A ray of light is incident on a transparent block of refractive index 1.62. If the reflected ray and refracted ray are perpendicular to each other, what is the value of the angle of incidence?

A ray of light falls on a material body at an incident angle 60^(@) and refracted at angle 30^(@) . What is the refractive index of the material?