प्रकाश का परावर्तन और अपवर्तन RRB JE ALP NTPC GROUP D UPSSSC PET ALL EXAM

RRB ALP, JE, NTPC, Technician & Group D Exams 2026 ke liye Physics (General Science) ka sabse important chapter "Light: Reflection and Refraction" (प्रकाश का परावर्तन और अपवर्तन) is video me poora cover kiya gaya hai! Agar aap Railway Exams 2026 me full marks score karna chahte hain, toh Physics ka yeh video aapke liye ek complete solution hai. Isme humne Basic Concepts se lekar Spherical Mirrors (Concave & Convex), Lenses, Mirror Formula, Lens Formula, Magnification aur tough numericals ko short tricks ke sath solve karwaya hai. 👉 In this video, we have covered: • What is Reflection of Light? (प्रकाश का परावर्तन और इसके नियम) • Spherical Mirrors: Concave & Convex Mirror Image Formation • Mirror Formula & Sign Convention (चिन्ह परिपाटी - Best Trick) • What is Refraction of Light & Laws of Refraction? (प्रकाश का अपवर्तन) • Refractive Index (अपवर्तनांक) and Snell's Law • Lenses: Concave & Convex Lens Image Formation • Lens Formula, Magnification & Power of Lens (डायोप्टर) • Handpicked RRB Previous Year Questions (PYQs) & Numerical Problems यह वीडियो Railway ALP (CBT-1 & CBT-2), Technician Grade 1 & Grade 3 Basic Science, RRB JE (CBT-1), NTPC aur Group D ke bilkul naye exam pattern par properly based hai. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📌 [Optional] Join Our Telegram Channel for PDF Notes: 🔗 [Apna Telegram Link Yahan Dalein] 📌 [Optional] Subscribe for Daily Live Railway Classes: 🔗 [Apna Channel Link Yahan Dalein] ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Timestamps (Chapters): 0:00 - Introduction & Syllabus Weightage 02:15 - Reflection of Light & Laws (परावर्तन के नियम) 10:40 - Concave & Convex Mirror Properties 22:15 - Mirror Formula & Sign Convention Numericals 34:50 - Refraction of Light & Refractive Index (अपवर्तनांक) 44:10 - Convex & Concave Lens Image Formation 52:30 - Power of Lens & Lens Formula 01:02:15 - Top 30 Railway Physics PYQs & Expected MCQs Don't forget to LIKE, SHARE, and SUBSCRIBE for more dedicated Railway General Science and Physics classes! #RRBALP2026 #RRBTechnician2026 #RRBJE2026 #RRBNTPC2026 #RailwayScience #PhysicsForRailway #ReflectionAndRefraction #LightPhysics #RailwayExamPreparation