“Hydrogen Atom Radiation Frequency | n → n−1 Transition | Class 12 Physics”
Автор: Pksir
Загружено: 2026-02-08
Просмотров: 7
Описание:
In this video, we derive the expression for the frequency of radiation emitted by a hydrogen atom when it de-excites from energy level n to (n−1) using Bohr’s atomic model.
🔍 Key concepts explained step-by-step:
• Energy levels of hydrogen atom
• Transition from level n → (n−1)
• Derivation of frequency of emitted radiation
• Approximation for large values of n
• Proof that radiation frequency becomes equal to the classical frequency of revolution of electron
📌 This is a very important Class 12 Physics board question, frequently asked in CBSE & state board exams.
⸻
🧠 Concepts Covered
✔ Bohr Model of Hydrogen Atom
✔ Energy Level Transition
✔ Radiation Frequency Formula
✔ Correspondence Principle
✔ Classical vs Quantum Frequency
⸻
🎓 Exam Relevance
• Class: 12 Physics
• Chapter: Atoms
• Marks Weightage: 3 Marks (Derivation)
• Useful for Board Exams & Competitive Exams
⸻
📐 Important Result
For large values of n:
Frequency of emitted radiation ≈ Classical frequency of electron revolution
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