Coming soon
Elements of Modern Physics
Course Objectives:
This course will enable the students to :This course covers certain conceptual courses of physics by virtue of which the students will be able to understand some concepts of Quantum Mechanics, Atomic Physics and Nuclear Physics. It also imparts the basic principles of Quantum mechanics, Schrodinger equation and its applications To introduce students to the fundamentals of atomic physics and nuclear physics for Morden application.
Course Outcomes (COs):
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Learning outcome (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
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DPHY501(B)
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Elements of Modern Physics (Theory) (Theory)
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The students will be able to –
CO47: Understand and explain the differences between classical and quantum mechanics.
CO48: Solve Schrodinger equation for simple potentials. CO49: Assess whether a solution to a given problem is physically reasonable. CO50: Identify properties of the nucleus and other sub-atomic particles.
CO51: Describe theories explaining the structure of atoms and the origin of the observed spectra. |
Approach in teaching: Interactive Lectures, Discussion, Tutorials, Power point presentation, Problem Solving in tutorials,
Learning activities for the students: Self-learning assignments, Effective questions, Seminar presentation, Solving numerical Additional learning through online Videos, MOOCs Courses. |
Class test, Semester end examinations, Quiz, Solving problems , Assignments, Presentations |
Planck’s quantum, Planck’s constant and light as a collection of photons; Photo-electric effect and Compton scattering. De Broglie wavelength and matter waves; Davisson Germer experiment, Problems with Rutherford model- instability of atoms and observation of discrete atomic spectra; Bohr's quantization rule and atomic stability; calculation of energy levels for hydrogen like atoms and their spectra.
Position measurement- gamma ray microscope thought experiment; Wave-particle duality, Heisenberg uncertainty principle, Estimating minimum energy of a confined particle using uncertainty principle; Energy-time uncertainty principle. Matter waves and wave amplitude; Schrodinger equation for non-relativistic particles. Momentum and Energy operators; stationary states; physical interpretation of wave function, probabilities and normalization; Probability and probability current densities in one dimension.
One dimensional infinitely rigid box- energy eigenvalues and eigenfunctions, normalization; Quantum dot as an example; Quantum mechanical scattering and tunnelling in one dimension - across a step potential and across a rectangular potential barrier.
Size and structure of atomic nucleus and its relation with atomic weight; Impossibility of an electron being in the nucleus as a consequence of the uncertainty principle. Nature of nuclear force, NZ graph, semi-empirical mass formula & binding energy.
Radioactivity: stability of the nucleus; Law of radioactive decay; Mean life and half-life; Alpha decay; Beta decay- energy released, spectrum and Pauli's prediction of neutrino; Gamma ray emission, energy-momentum conservation: electron-positron pair creation by gamma photons in the vicinity of a nucleus. Fission and fusion- mass deficit, relativity and generation of energy; Fission - nature of fragments and emission of neutrons.
