If angle of incidence and angle of refraction be `45^@` and `30^@` respectively. What is refractive index of water is

For the same angle of incidence, the angle of refraction in two media A and B are 25^(@) and 35^(@) respectively. In which medium is the speed of light less?

The angle of a prism is 60^(@) and minimum angle of deviation is 48^(@)30' . Calculate the refractive index of the prism.

A light ray is incident on one refraction face of a prism, of refractive angle A, at an angle of incidence, I and emerges from the opposite face, normally. If refractive index of the material of the prism be mu what will be the value of the angle of incidence?

If a ray of light is incident on a plate inside water at an angle of 45^(@) , what is the angle of refraction inside the plate? Given that the absolute refractive indices of the plate and water are 1.88 and 1.33 respectively.

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 monochromatic ray of light is incident normally on a refracting face of a prism of angle 30^(@) . If the refractive index of the material of the prism is 1.5 , calculate the angle of emergence and the angle of deviation. [sin48.6^(@) = 0.75]

If a light ray incidence on a liquid from air at 45^@ and get deviated due to refraction 15^@ . What is the refractive index of the liquid?