LESSON PLAN
Sub : APPLIED
PHYSICS- I , PAPER CODE: ETPH-103
Credits :3
Topics
First Term:
L1: Introduction to Physical Optics, Nature
of Light, Principal of Superposition, Analytical Treatment of
Interference , Young’s Double Slit Experiment, Theory of fringes.
L2:
Conditions for Sustained Interference, Coherent Sources, Interference
due to Division of Wave-front, Fresnel
Biprism in detail, Interference
with White Light, Idea of Stokes Theorem.
T1:
Numerical Problems relating to above Two Lectures.
L3:
Interference due to Division of Amplitude, Interference in Thin Films for Parallel Films and Wedge
Shaped Films.
L4:
Detailed Analysis of Newton’s Rings, Michelson’s Interferometer:
Construction, Working, Adjustments and Formation of Fringes.
T2:
Numerical Problems relating to above Two Lectures.
L5:
Introduction to Diffraction Phenomenon,
Fresnel Diffraction, Concepts of Fresnel’s Half Period Zones and Zone
Plate, Fresnel Diffraction at a Straight
Edge.
L6:
Fraunhofer Diffraction,
Superposition of N Harmonic Motions, Diffraction at a Single Slit, and
then Generalizing to N slits.
T3:
Numerical Problems relating to above Two Lectures.
L7:
Detailed Theory of Plane Transmission Grating, Formation of Spectra, Concept of Absent
Spectra, Dispersive Power of Diffraction
Grating.
L8:
Resolving Power of an Optical Instrument, Rayleigh Criteria for
Resolution, Resolving Power of Plane Transmission Grating and Resolving Power
of a Glass Prism.
T4:
Numerical Problems relating to above Two Lectures.
L9:
Concept of Polarization of Light, Production of Plane Polarized Light by
Different Methods, Brewster’s
Law and Law of Malus.
L10:
Phenomenon of Double Refraction and
Polarization, Construction and
Working of Nicol Prism.
T5:
Numerical Problems relating to above Two Lectures.
L11:
Study of Polarized Light, Quarter Wave Plate and Half Wave Plate.
L12:
Concept of Specific Rotation, Construction and Working of Laurent’s Half
Shade Polarimeter.
T6:
Numerical Problems relating to above Two Lectures.
Second
Term:
L13:
Introduction to Optical Fibers,
Concept of Total Internal Reflection, Types of Optical Fibers,
Advantages of Optical Fibers, Numerical Aperture of Optical Fiber.
L14:
Dispersion in Step Index Optical Fibers and Qualitative Treatment
of Graded Index Optical Fibers.
L15:
Attenuation in Optical Fibers, Application of Optical Fibers, Block
Diagram highlighting Optical Fiber Communication System.
T7:
Numerical Problems relating to above Three Lectures.
L16:
Concept of Central Forces, Inverse Square Law of Forces, Equation of Orbit under action of a
Central Force.
T8:
Numerical Problems relating to above One Lecture.
L17:
Simple Harmonic Motion, Concepts and Characteristics, Equation of
Motion, Energy of Particle Executing SHM, Two Body Oscillations.
L18:
Damped Oscillations, detailed Analysis and Concept of Logarithmic
Decrement, Q-Factor of an Oscillator.
L19:
Forced Oscillations, Equation of Motion and its Solution. Mechanical
Impedance and Phase Characteristics, Power Absorbed, Resonance Condition for both Amplitude and
Power, and Quality Factor of the Oscillations.
T9:
Numerical Problems relating to above Three Lectures.
L20:
Concept of Frame of
Reference, Galilean Transformations, Concept of Ether,
Michelson-Morley Experiment in detail and discussion on Results, Explanation
of Negative Results, Invariance of Speed
of Light.
L21:
Einstein’s Postulates, Lorentz
Transformation Equations, Consequences of Lorentz Transformations.
T10:
Numerical Problems relating to above Two Lectures.
L22:
Relativistic Addition of Velocities, Variation of Mass with Velocity.
L23:
Equivalence of Mass and Energy, Relation between Momentum and Energy,
Explanation for Zero Mass Particles.
T11:
Numerical Problems relating to above Two Lectures.
Third
Term:
L24:
Eyepieces and their Cardinal Points, Construction, Theory and Working
of Huygen’s Eyepiece.
L25:
Construction, Theory and Working of
Ramsden’s Eyepiece, Relative
Merits and Demerits of the Two Eyepieces.
Block Diagram of an Electron Microscope.
T12:
Numerical Problems relating to above Two Lectures.
L26:
Introduction to Lasers, Concept of Spatial and Temporal Coherence,
Principle of Laser, Stimulated and Spontaneous Emission of Light.
L27:
Relation between Spontaneous and Stimulated Emission Probabilities,
Lasing Action, Ruby Laser Construction and Working.
T13:
Numerical Problems relating to above Two Lectures.
L28:
Four Level Continuous Laser, Helium-Neon Laser Construction and Working,
Characteristic Properties of Laser Beam,
Types of Lasers, Application of Lasers.
T14:
Numerical Problems relating to above One Lecture.
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