00:01
In this problem, they have asked if we place a perfectly clear piece of glass in a perfectly clear water, why we can still see the glass.
00:11
Now, in one, like, if i have to say what's the reason in a nutshell, the reason is partial reflection.
00:20
What's that? shiel reflection.
00:30
What is partial reflection? some of the light, when light is coming from one medium to another medium, some light is reflected even at the interface with the transparent material, right? and that is called partial reflection.
00:45
Now what is actually happening? let's look into this picture on the right side of this page.
00:52
This is, if i say i, that's an incident wave...