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A body of mass 10 mg is moving with a velocity of 100 . The wavelength of the de-Broglie wave associated with it would be (DCE 2006)

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Atomic StructureIntro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scatteringMEDIUMJEE Chemistry
A body of mass 10 mg is moving with a velocity of 100 . The wavelength of the de-Broglie wave associated with it would be (DCE 2006) **Options:** - **A.** 6.63 X 10^{-7} m - **B.** 6.63 X 10^{-31} m - **C.** 6.63 X 10^{-34} m - **D.** 6.63 X 10^{-35} m --- **Difficulty:** MEDIUM | **Chapter:** Atomic Structure | **Topic:** Intro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scattering

Official Solution

## ✅ Correct Answer: **B** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✗ 6.63 X 10^{-7} m... (B) ✓ 6.63 X 10^{-31} m... (C) ✗ 6.63 X 10^{-34} m... (D) ✗ 6.63 X 10^{-35} m... **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 StructureIntro, Dalton's theory, discharge tube & oil drop experiments, Rutherford scatteringMEDIUMJEE Chemistry