THANKU BUUDY......
I'll surely give it a shot....
This is not my doubt.. just 4 others to solve.... see how much time u take to solve this.. i took 2 mins for all three.. [3][4] and u can see in pics above that i had to derive... fringe width Dλ/d also in that time..[4]
ya dude, it was a damn easy paper over all.
i wish i had better written bmat. bmat has become real challenging from past 2 tests.
in both papers my chemistry took not more than half an hour in each paper and math 2nd paer leaving 2 to 3 was super easyy. i donno why paper was set like this.