PHY-111 Applied Physics | |||||||
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Teaching Scheme | Credit | Marks Distribution | Duration of End Semester Examination | ||||
L | T | P | Internal Assessment | End Semester Examination | Total | ||
3 | 1 | 0 | 4 | Maximum Marks: 40 | Maximum Marks: 60 | 100 | 3 Hours |
Minimum Marks: 16 | Minimum Marks: 24 | 40 |
Unit - I
Theory of Relativity: Inertial and non - inertial frames of reference , earth as an inertial frame of reference , Michelson and Morley experiment , Postulates of special theory of relativity, Galilean and Lorentz transformations , Time dilation and length contraction , Relativistic kinematics and mass-energy equivalence.
Laser: Introduction , Characteristics of lasers , Spontaneous and stimulated emission of radiation , Einstein's coefficients, Population inversion , Ruby laser , Helium-Neon lasers & Semiconductor Lasers , Applications of laser in industry , Scientific and medical fields.
Unit - II
Oscillations: Simple harmonic motion (SHM) , Differential equation of SHM , Energy of SHM , Damped and Forced Oscillations , Relaxation Time , Quality Factor , Resonance , Sharpness of Resonance.
Fiber Optics: Fundamental ideas about optical fiber , Propagation mechanism , Acceptance angle and acceptance cone , Numerical aperture , Propagation Mechanism and communication in fiber , Single and Multi-Mode Fibers , Step index and Graded index fiber , Attenuation and losses , Applications of optical fibers.
Unit - III
Quantum Mechanics: De Broglie waves , Phase and Group velocity concept , Uncertainty principle and its applications , Wave function , Postulates of quantum mechanics , Derivation of Schrodinger equation for time independent and time dependent cases and its applications viz. Particle in one dimensional box .
X-rays: X-rays production , hard and soft x-rays , Continuous and characteristics x-rays , Bremsstrahlung effect
Unit - IV
Electrodynamics: Equation of continuity , displacement current , Maxwell's equations , wave equation for electromagnetic radiation , electromagnetic wave propagation in free space and isotropic dielectric medium , Poynting vector & Poynting theorem.
Superconductivity: Introduction and discovery of superconductivity , Meissner effect , Type-I and type-IIP superconductors , Isotope effect , BCS theory (qualitative) , High temperature superconductors , Applications of superconductivity.