Are you scared of numerical? Do you think you don't understand them? If yes, then read ahead. See, it might be any exam, but numerical won't leave your back. So let's talk about common problems and their...
Tip #1 From the NCERT book, practice each and every worked-out example, graph and diagram, especially- a) Ray diagram for Astronomical Telescope, Compound Microscope and Reflecting Telescope. b) Diagrams...