Download PYQs - https://physicswallah.onelink.me/ZAZB... 📲 PW App/Website: https://physicswallah.onelink.me/ZAZB... 📚 PW Store: https://physicswallah.onelink.me/ZAZB... ----------------------------------------------------- Get exam-ready with this Atoms and Nuclei One Shot session, covering all physics key concepts, formulas, and problem-solving techniques for the Class 12th Boards Exam! 📚💡 Understand atomic models, radioactivity, nuclear reactions, mass-energy equivalence, and decay laws in a simplified manner with expert explanations. ----------------------------------------------------- 📌 𝐍𝐂𝐄𝐑𝐓 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 - 🌐 Telegram: https://t.me/pwncertwallah 🌐 Instagram: / ncertwallah__ ------------------------------------------------------- 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 - 🌐 Telegram: https://t.me/Physics_Wallah_Official_... 🌐 Instagram: / physicswallah 🌐 Facebook: / physicswallah 🌐 Twitter: / physics__wallah 🌐 LinkedIn: / physicswallah 🌐 Quora: https://pwofficial.quora.com ------------------------------------------------------- Timestamps: 0:00 Introduction 6:40 Thomson's Model of Atom 9:55 Rutherford's Alpha Scattering Experiment 19:00 Rutherford's Model of Atom 21:12 Distance of Closest Approach 24:48 Impact Parameter 27:50 Drawbacks of Rutherford's Model 30:00 Questions 41:27 Bohr's Quantisation Condition 51:05 Bohr's Atomic Model 55:35 Bohr's Theory of Hydrogen Atom 01:16:59 Hydrogen Spectrum 01:31:24 Questions 01:39:10 Energy Level Diagram for Hydrogen 01:42:54 Limitations of Bohr's Theory 01:44:46 Excitation Energy 01:48:40 Ionisation Energy 01:53:53 Questions 02:09:05 Composition of a Nucleus 02:20:09 Atomic Masses 02:21:05 Electron Volt 02:21:14 Relation b/w amu and MeV 02:26:27 Nuclear Size 02:28:35 Nuclear Density 02:31:07 Questions 02:40:39 Properties of Nuclear Force 02:43:11 Mass Defect 02:46:53 Packing Fraction 02:47:56 Binding Energy 02:54:34 Questions 03:01:18 Binding Energy Curve 03:06:03 Questions 03:11:25 Summary 03:13:15 Homework 03:13:30 Thank You ------------------------------------------------------- 📌 For any Queries or Complaints visit: https://bit.ly/PW_Queries OR give a Missed Call on 07019-243-492 ------------------------------------------------------- #AtomsAndNuclei #Physics #Class12 #Vijeta2025 #NCERTWallah #PhysicsWallah