When light travels from an optically rarer medium to an optically denser medium, the velocity decreases because of change in

When light rays travels from an optically rarer medium to an optically denser medium, the speed of light decreases because of change in which of the following ?

Light waves travel from optically rarer medium to optically deser medium. Its velocity decreases because of change in ______

Light waves travel from optically rarer medium to optically deser medium. Its velocity decreases because of change in ______

Light waves travel from optically rarer medium to optically denser medium. Its velocity decreases because of change in .......

When a light ray passes from an optically denser medium into an optically rarer medium,

Explain the terms optically rarer medium and optically denser medium with examples.

When a light ray travels obliquely from an optically rarer medium to an optically denser medium, it bends away from the normal