Question

SOME EXPERTS HELP ME WITH TBIS QUE

Answer 1

heya it's Aastha !!!!!!!!...

Given :-

e = 90°
i = 60°
r. = 45°

--–---------–-----

⬇️By Snell law ------

2 medium

e = i . -----------1

u =sin 90 / sin 60

u = 2/√3 .

⬇️1 medium ----

u = sin 90/ Sin45

u = 1/ 1/√2 .

u = √2 .

hope it help you!!!!!!!