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The kinetic energy of the electron emitted when light of frequency 3.51015 Hz falls on a metal surface having threshold frequency, 1.51015 Hz is (h = ...

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Atomic StructureDe Broglie hypothesis, uncertainty principle, photoelectric effectMEDIUMJEE Chemistry
The kinetic energy of the electron emitted when light of frequency 3.51015 Hz falls on a metal surface having threshold frequency, 1.51015 Hz is (h = 6.610-34 Js): **Options:** - **A.** 1.3210-18 J - **B.** 3.310-18 J - **C.** 6.610-19 J - **D.** 1.9810-19J --- **Difficulty:** MEDIUM | **Chapter:** Atomic Structure | **Topic:** De Broglie hypothesis, uncertainty principle, photoelectric effect

Official Solution

## ✅ Correct Answer: **A** ### 📖 Detailed Explanation: **Solution:** **Analyzing each option:** (A) ✓ 1.3210-18 J... (B) ✗ 3.310-18 J... (C) ✗ 6.610-19 J... (D) ✗ 1.9810-19J... **Correct Answer: (A)** **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 StructureDe Broglie hypothesis, uncertainty principle, photoelectric effectMEDIUMJEE Chemistry