Physics Light Prakash ncert Part 2 | BPSC SI BSSC Railway Science | Focus Vakrata Trijya PYQ

Bihar Daroga Physics Light Prakash Part 2 | BPSSC BSSC Railway Science Important Questions 2026 Is video me hum Physics ka sabse important chapter Prakash (Light) Part 2 ko detail me padhenge jo BPSSC, BSSC Inter Level, Bihar Daroga (SI), Bihar Police, Railway Group D, NTPC, RPF ke liye 100% important hai. 📌 Topics Covered :- ✔️ Prakash ka Apvartan (Refraction of Light) ✔️ Focus (F) aur Vakrata Trijya (R) me sambandh - R = 2f Trick ✔️ Lens, Prism, Golaay Darshan se questions ✔️ BPSSC BSSC Daroga Railway ke Previous Year MCQ + Expected Questions ✔️ Board + Competitive Exam ke liye Full Concept 🎯 Useful For Exams :- Bihar Daroga (SI) New Vacancy 2026 | BPSSC | BSSC Inter Level | Bihar Police |