(A)
- Anurag Ghosh Niraj please explain how?Upvote·0· Reply ·2014-03-12 08:47:13
- Niraj kumar Jha Assume that out of four each has one correct ray diagram,using that find the direction of normal in each case.Only in 1 the 2nd ray diagram would also satisfy, ang. of incidence=ang. of reflection.