Question

Travelling publicly from one medium to another the direction of propagation of light in the second medium changes this phenomenon is known as_____

Answer 1

Travelling publicly from one medium to another the direction of propagation of light in the second medium changes this phenomenon is known as

Reflection

Answer 2

When the light rays either bend or change their direction while passing from one medium to another it is called refraction of light. The refraction of light takes place when light travels from air into glass, from glass into air, from air into water or from water into air.