Question

what happens to speed of light when it travels from one medium to another?

Answer 1

speed of light can be decreased

Answer 2

hey!

here is. answer

hey dear when light travels from one medium to another then it changes its speed according to the nature of medium . and refraction occurs.

lets take an example .


when light travels in air its exact speed is

299,729,458 m/s
and in water its speed is

2.6*10to the power 8

this shows that light changes its speed in different medium.




hope it helps

thanks