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If radius of second stationary orbit (in Bohr’s atom) is R. Then radius of third orbit will be:

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Atomic StructureLimitations of Rutherford model, Coulomb's law basics, Bohr model derivationsEASYJEE Chemistry
If radius of second stationary orbit (in Bohr’s atom) is R. Then radius of third orbit will be: **Options:** - **A.** R/3 - **B.** 9R - **C.** R/9 - **D.** 2.25 R --- **Difficulty:** EASY | **Chapter:** Atomic Structure | **Topic:** Limitations of Rutherford model, Coulomb's law basics, Bohr model derivations

Official Solution

## ✅ Correct Answer: **D** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✗ R/3... (B) ✗ 9R... (C) ✗ R/9... (D) ✓ 2.25 R... **Correct Answer: (D)** **Key Concept:** Apply fundamental principles of atomic structure to identify the correct option. --- *This is an official solution provided by Chem Mantra. For more chemistry questions and solutions, explore our [question bank](/courses).*

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Atomic StructureLimitations of Rutherford model, Coulomb's law basics, Bohr model derivationsEASYJEE Chemistry