A beam of light strikes a glass plate at an angle of incident `60^(@)` and reflected light is completely polarised than the refractive index of the plate is-

A beam of light strikes a surface at angle of incidence of 60^(@) and reflected beam becomes completely polarised . The refractive index of glass surface is -

A beam of light strikes a surface at angle of incidence of 60^(@) and reflected beam becomes completely polarised . The refractive index of glass surface is -

A ray of light strikes a glass plate at an angle 60^@ . If the reflected and refracted rays are perpendicular to each other, the refractive index of the glass is,

A ray of light strikes a glass plate at an angle of 60^(@) . If the reflected and refracted rays are perpendicular to each other, the refractive index of glass is

When ray of light is incident at 58^(@) glass plate, reflected light is completely plane polarised refractive index of glass plate= ......