@Rudra_d pls discuss here it is a q only thread there
Arey bro don’t worry I would have deleted my replies. I had read your post.
Time to make this thread alive !!!
answer is C
I always get confused in these optics topics so here are the short notes that I printed.
I always have a hard time remembering these inverse trig formulas, just a quick guide to revise and learn. posting for calculus next.