Engineering Physics Unit 1 Notes AKTU (BAS101)

AKTU · BTECH · Semester 1, 2 · Engineering Physics · Unit 1 · Notes

AKTU Engineering Physics (BAS101) Unit 1 notes for B.Tech Semester 1/2 – Quantum Mechanics. Topics: Blackbody Radiation Planck Theory, Compton Effect…

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Unit 1: Quantum Mechanics – AKTU syllabus topics

  • Blackbody Radiation Planck Theory: Inadequacy of Classical Mechanics, Planck Quantum Hypothesis
  • Compton Effect: Compton Shift Derivation, Compton Effect Numericals
  • de-Broglie Matter Waves: de-Broglie Wavelength Concept, Davisson Germer Experiment, Phase Velocity and Group Velocity
  • Schrodinger Wave Equation: Time Dependent Wave Equation, Time Independent Wave Equation, Physical Interpretation Wave Function
  • Particle in a Box: Energy Eigenvalues Derivation, Particle in Box Numericals

Most asked AKTU PYQ questions from Unit 1

  1. Q2c. An electron is bound in one dimensional potential box which has width 2.5 x 10⁻¹⁰ m. Assuming the height of the box to be infinite, calculate the lowest permitted energy values of the electron. (10 marks, 2021-22)
  2. Q5a. What is the Planck's theory of black body radiations? Obtain an expression for the average energy of the oscillators and derive the Planck's radiation law. (10 marks, 2021-22)
  3. Q5b. Write the Schrodinger's wave equation for a particle in one-dimensional box and solve it to obtain the eigen values and eigen functions. (10 marks, 2021-22)
  4. Q2c. Find the two lowest permissible energy states for an electron which is confined in a one dimensional infinite potential box of width 3.5×10⁻⁹ m. (10 marks, 2020-21)
  5. Q5a. What is wave function? Derive time independent Schrodinger wave equation. (10 marks, 2020-21)
  6. Q5b. What is Compton effect? Derive an expression for Compton shift. (10 marks, 2020-21)
  7. Q3a. Explain the concept of black body radiation and state the main features of Planck's radiation law. (7 marks, 2025-26)
  8. Q3b. Write and solve the Schrödinger wave equation for a particle in a one-dimensional infinite potential box and obtain its eigenfunctions and eigenvalues. (7 marks, 2025-26)
  9. Q6b. Obtain the normalized wave function and energy Eigen values for a particle in a box. (7 marks, 2024-25)
  10. Q2a. Derive Schrodinger's time independent wave equation for a free particle and give the physical interpretation of wave function. (7 marks, 2024-25)

AKTU paper codes: BAS101, BAS201, KAS101, KAS201

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