Can light travelling from air to water suffer total internal reflection?

Define critical angle for total internal reflection.

A ray of light from a sodium lamp undergoes total internal reflection.The critical angle will be smallest,when it travels from

At what angle should a ray of light be incident on the face of a prism of refracting angle 60^@ so that it just suffers total internal reflection at the other face? The refractive index of the material of the prism is 1.524.

Give illustrative examples for total internal reflection.

Write the conditions for total internal reflection to takeplace?

When light travels from air to water, which parameter does not change?

A ray of light travelling in a transparent medium of refractie index mu falls on a surface separatign the medium from air at an angle of incidence of 45^@ .For which of the following velues of mu ,the ray can indergo total internal reflection?