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If the revolutions per second by the electron in 3rd orbit of H is , then the revolutions per second by the electron in 2nd orbit of He+ is

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Atomic StructureLimitations of Rutherford model, Coulomb's law basics, Bohr model derivationsEASYJEE Chemistry
If the revolutions per second by the electron in 3rd orbit of H is , then the revolutions per second by the electron in 2nd orbit of He+ is **Options:** - **A.** - **B.** 13.5 - **C.** 1.5 - **D.** 0.07 --- **Difficulty:** EASY | **Chapter:** Atomic Structure | **Topic:** Limitations of Rutherford model, Coulomb's law basics, Bohr model derivations

Official Solution

## ✅ Correct Answer: **B** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✗ ... (B) ✓ 13.5... (C) ✗ 1.5... (D) ✗ 0.07... **Correct Answer: (B)** **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