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The wave number of radiation of wavelength 500 nm is

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Atomic StructureIntro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scatteringEASYJEE Chemistry
The wave number of radiation of wavelength 500 nm is **Options:** - **A.** 5 10-7 m-1 - **B.** 2 107 m-1 - **C.** 2 106 m-1 - **D.** 500 10-9 m-1 --- **Difficulty:** EASY | **Chapter:** Atomic Structure | **Topic:** Intro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scattering

Official Solution

## ✅ Correct Answer: **C** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✗ 5 10-7 m-1... (B) ✗ 2 107 m-1... (C) ✓ 2 106 m-1... (D) ✗ 500 10-9 m-1... **Correct Answer: (C)** **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 StructureIntro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scatteringEASYJEE Chemistry