Question

when light enters from one medium to another medium it ​

Answer 1

Answer:

When light enters from one medium to another, the quantity which remains constant is frequency. When a light ray travels from one medium to another, its direction changes at the interface due to change in velocity and it seems to bend at the interface.

Answer 2

Answer:

Your Answer is here:-

Explanation:

When light enters from one medium to another, the quantity which remains constant is frequency. When a light ray travels from one medium to another, its direction changes at the interface due to change in velocity and it seems to bend at the interface.