Lec 2 De Broglie Wavelength in Quantum Mechanics | Eng Physics BTech

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This video lecture on De Broglie Wavelength, a major concept in Quantum Mechanics and Engineering Physics, is designed for BTech 1st Year students. In this lecture, we explain De Broglie’s Hypothesis, matter waves, and the mathematical expression for De Broglie wavelength using momentum and energy of particles.

You will clearly understand how particles exhibit wave nature, why De Broglie’s theory is essential to quantum physics, and how wavelength varies for electrons, protons, neutrons, and other moving particles. The explanation is simple, conceptual, and exam-oriented, making it ideal for university exams and viva.

This lecture is especially useful for RGPV BTech 1st Year students from all branches including CSE, IT, Mechanical, Electrical, Civil, and ECE, and is also relevant for students of other Indian universities.

📘 This Engineering Physics Playlist Includes:

Planck’s Quantum Hypothesis
De Broglie Hypothesis & Matter Waves
Wave Function & Properties
Schrödinger Equations
Particle in a 1D Box
Heisenberg Uncertainty Principle

🎯 This Video Is Helpful For:

BTech 1st Year (RGPV) – All Branches
Engineering Physics Quantum Mechanics Unit
Students preparing for university exams
Students needing conceptual clarity in matter waves
GATE / NET / IIT-JAM physics foundations

De Broglie wavelength is a very important conceptual + numerical topic, frequently asked in internal exams, viva, and end-semester papers.

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#EngineeringPhysics #QuantumMechanics #DeBroglieWavelength #MatterWaves #BTech1stYear #RGPV #SachinSir #BTechJunction