12th Physics Ch-9 Ray Optics | 80 MCQ Live Class | BSEB 2026 | Unnati Gyan Ka | EHSAN SIR скачать в хорошем качестве

12th Physics Ch-9 Ray Optics | 80 MCQ Live Class | BSEB 2026 | Unnati Gyan Ka | EHSAN SIR

12th Physics Ch-9 Ray Optics | 80 MCQ Live Class | BSEB 2026 | Unnati Gyan Ka | EHSAN SIR TELEGRAM : https://t.me/unnatl TELEGRAM GROUP FOR 11TH (DOWNLOAD NOTES) https://t.me/+IGCxH-lYk140OTA1 TELEGRAM GROUP FOR 12TH (NOTES DOWNLOAD HERE) : https://t.me/+bFTSumidLKk3MWE1 📘 Class 12 Physics Chapter 9 – Ray Optics & Optical Instruments 📕 अध्याय 9 : किरण प्रकाशिकी (Ray Optics) Is live class me Class 12 Physics Chapter 9 – Ray Optics ke most important concepts ka quick revision karwaya gaya hai aur saath hi 80 important MCQs ko board-exam oriented explanation ke saath discuss kiya gaya hai, bilkul Bihar Board (BSEB) 2026 syllabus ke according. This session is specially designed for BSEB Class 12 students, jisme theory, ray diagrams, formulas, numericals aur MCQs ko easy Hindi + English mix language me explain kiya gaya hai, taaki students is high-weightage chapter me maximum marks score kar saken. 🔹 इस Live Class में क्या-क्या कवर है / What is Covered: 🔸 Theory Quick Revision ✔ Reflection & refraction of light ✔ Snell’s law & refractive index ✔ Total internal reflection & applications ✔ Refraction through glass slab ✔ Prism – deviation & minimum deviation ✔ Dispersion of light & scattering ✔ Spherical surfaces – refraction formula ✔ Lenses – image formation ✔ Lens maker formula ✔ Power & combination of lenses ✔ Defects of vision & correction ✔ Optical instruments (microscope & telescope – basics) 🔸 MCQ Practice (80 Questions) ✔ Concept-based MCQs ✔ Numerical MCQs ✔ Assertion–Reason type ✔ Diagram-based MCQs ✔ Board pattern questions ✔ Common mistakes discussion 🔸 Exam Strategy ✔ Ray Optics MCQ solve karne ke tricks ✔ Formula quick revision ✔ Frequently asked board concepts 🎯 Useful For / किसके लिए उपयोगी: • Bihar Board (BSEB) Class 12 Students • Board Exam 2026 Preparation • Chapter 9 Quick Revision • MCQ Practice Session • Physics me score improve karne ke liye ✅ Why Watch This Live Class? / यह क्लास क्यों देखें? ✔ Complete Ray Optics MCQ coverage ✔ 80 most important MCQs discussed ✔ Board-oriented explanation ✔ Hindi + English mix teaching ✔ Sure-marks focused approach 👨‍🏫 Teacher: Ehsan Sir (Teaching Since 2009) 📺 YouTube Channel: Unnati Gyan Ka (@U.G.K2009) 👉 Live class pasand aaye to Like, Share aur Subscribe zaroor karein. 👉 Comment me batayein next kaunsa chapter chahiye. 🏷️ TAGS (BSEB 2026 | SEO Optimized) 12th Physics Chapter 9 Bihar Board, Ray Optics Class 12 MCQ, BSEB Physics Ray Optics, Class 12 Physics MCQ Bihar Board, 80 MCQ Physics Class 12, Physics Live Class BSEB, Bihar Board Physics 2026, Ray Optics Revision Class 12, Optical Instruments MCQ, NCERT Physics Class 12 Chapter 9, Unnati Gyan Ka Physics, @U.G.K2009, Ehsan Sir Physics, Ehsan Sir Teaching Since 2009 🔥 HASHTAGS #Class12Physics #RayOptics #BiharBoard #BSEB2026 #PhysicsMCQ #LiveClass #UnnatiGyanKa #EhsanSir