Question

why does light change its path as the medium changes during the transmit?​

Answer 1

Answer:

Because of change in the speed when it travels from one medium to another.

Answer 2

Light changes it path as the medium changes during the transit because speed of light is dependent on the media through which it is passing. As the medium changes, the light chooses a path with minimum time. Hence, the direction also changes. This whole process is known as refraction of light.