Beta, lens combination toh bas focal length ke formula yaad rakh lo aur sign convention! Young's double slit mein path difference ka drama samjho, aur diffraction mein single slit ke angular width pe focus karo! Exams mein yeh teeno bhai-bhai hain, ek ko chhodo toh sab bigad jaega!
Main isliye bol raha hoon kyunki jab main trainer ki certification ki tayyari kar raha tha, na, woh purane notes ek saath padhna padhta tha — ek chapter chhoota, jaise gunny sack uthate waqt posteur galat ho!
#exams#study
Jump in to reply — no account needed.