⚡ NUCLEI 🔥 MOST IMPORTANT QUESTIONS | Board Exam 2027 | Class 12 Physics | CBSE & ICSE

⚛️ NUCLEI MOST IMPORTANT QUESTIONS | Class 12 Physics | CBSE & ICSE Board 2026 In this video, we will solve Class 12 Physics – Nuclei Chapter ke most important and exam-oriented questions for CBSE & ICSE Board Exams 2026. Questions ko step-by-step, simple aur logical method se explain kiya gaya hai, so that you can understand the concept as well as the numerical approach. 📚🔥 📌 IMPORTANT QUESTIONS COVERED: 🔹 Q1. Calculate for how many years will the fusion of 2.0 kg deuterium keep an 80 W electric lamp glowing? Given fusion reaction: ²₁H + ²₁H → ³₂He + ¹₀n + 3.27 MeV 🔹 Mass Defect based numericals 🔹 Binding Energy calculation 🔹 Binding Energy per Nucleon 🔹 Nuclear Stability & Binding Energy Curve 🔹 Nuclear Fission based numericals 🔹 Nuclear Fusion based numericals 🔹 Energy released in nuclear reactions 🔹 Chain Reaction & Reproduction Factor (k) 🔹 Critical, Subcritical & Supercritical conditions 🔹 Nuclear Energy based questions 🔹 Important conceptual questions from Nuclei 🔹 Board-oriented numerical problems 🎯 THIS VIDEO IS USEFUL FOR: ✅ CBSE Class 12 Physics ✅ ICSE Physics ✅ Board Exam 2026 ✅ NEET Physics ✅ JEE Main Physics ✅ Physics Numerical Practice 📌 EXAM TIP: Nuclei chapter mein Mass Defect, Binding Energy, Binding Energy per Nucleon, Fission, Fusion aur Nuclear Energy se related numericals aur conceptual questions ko जरूर prepare karein. 👍 Video helpful lage to LIKE karein 🔄 Apne Physics friends ke saath SHARE karein 🔔 SUBSCRIBE karein for more Class 11 & 12 Physics content. 👨‍🏫 Physics Classes by Punit Tanwar Class 11 & 12 Physics | CBSE | NEET | JEE #Nuclei #Class12Physics #BoardExam2026 #CBSEPhysics #ICSEPhysics