A ray of light falls on a glass slab at an incident angle of `45^(@)` and refracted at angle of `30^(@)`.
What is the refractive index of the glass with respect to air ?

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?

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?

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

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

A ray of light falls on a glass slab at an incident angle of 45^(@) and refracted at angle of 30^(@) . What is the measure of the angle of emergence 'e' ?

A ray of light falls on a glass slab at an incident angle of 45^(@) and refracted at angle of 30^(@) . What is the measure of the angle of emergence 'e' ?

A ray of light is incident on a glass slab at an angle of 45^(@) . If refractive index of glass be 1.6, what is the angle of refraction ?

A ray of light is travelling from glass to air. The angle of incidence in glass is 35^(@) , and angle of refraction in air 60^(@) . What is the refractive index of glass w.r.t. air ?

A ray of light is incident on a glass slab making an angle of 30^@ with the surface. The angle of refraction in glass, if the refractive index of flass is 1.6 , is