Applied Physics - I

Below is the syllabus for Applied Physics-I:-

Unit-I

Interference: Principle of Superposition, Conditions for interference, Division of wavefront: Fresnel’s Biprism and Applications, Division of amplitude: Wedge-shaped film, Newton’s rings, Michelson Interferometer and Applications.

Diffraction: Types of Diffraction, Fraunhofer diffraction at a single slit, Plane transmission diffraction grating: theory, secondary maxima and minima, the width of principal maxima, absent spectra, overlapping of spectral lines, determination of wavelength; Dispersive power and resolving power of diffraction grating.

Unit-II

Polarization: Polarization of transverse waves, Plane of polarization, Polarization by reflection, Double refraction, Nicole Prism, Quarter and half-wave plate, Specific Rotation, Laurent’s half shade polarimeter, Biquartz polarimeter.

Laser: Introduction, Simulated Absorption, Spontaneous and Stimulated Emission; Einstein’s Coefficients and its derivation, Population Inversion, Direct and Indirect pumping, Pumping schemes, Main components of Laser, He-Ne Laser, Semiconductor Laser, Characteristics of Laser, Application of Laser

Unit-III

Optical Fiber: Introduction, Principle of propagation of light waves in optical fibers: total internal reflection, acceptance angle, numerical aperture, V-number; Modes of propagation, Types of optical fibers: single-mode fiber, multimode fibers; Fiber optics communication system, Advantages of optical fiber communication, Application of optical fibers.

Ultrasonics: Ultrasonic waves, Properties of ultrasonic waves, Production of ultrasonic waves: Magnetostriction and Piezoelectric methods, Detection of ultrasonic waves, Measurement of velocity of ultrasonic waves, Application of ultrasonic waves.

Unit-IV

The special theory of Relativity: Concept of ether, Michelson-Morley experiment, Postulates of Special theory of relativity, Frame of reference, Galilean Transformations, Lorentz transformations, Consequences of Lorentz Transformations: Length contraction, Time dilation; Velocity transformations, Variation of mass with velocity, Einstein’s mass-energy relation, Einstein’s energy-momentum relation.

Nuclear Radiation and Detection: Classification of nuclear radiation, Interaction of charged particles (light and heavy) and gamma radiations with matter (basic concepts); Gas-filled detector: Ionized Chamber, Proportional Counter, Geiger Muller Counter; Scintillation Detector, Semiconductor Detector.

Text Books

P. K. Diwan, Applied Physics for Engineers, Wiley India Pvt. Ltd.
S. P. Taneja, Modern Physics for Engineers, R. Chand & Co.

Reference Book

N. Subrahmanyam, B. Lal, M. N. Avadhanulu, A Textbook of Optics, S. Chand & Company Ltd.
Arthur Beiser, Concept of Modern Physics, Tata McGraw-Hill Publishing Company Limited.
R. Resnick, Introduction to Special Relativity, John Wiley & Sons. (Asia) Pte. Ltd.
V. K. Mittal, R. C. Verma, S. C. Gupta, Introduction to Nuclear and Particle Physics, PHI Learning Private Limited
S. S. Kapoor, V. S. Ramamurthy, Nuclear Radiation Detector, New Age International (P) Limited.

Below is the link to download Applied Physics-I notes.