UNIT - I - OPTICS : Interference - Superposition of waves - Young's double slit experiment - Coherence -Interference in thin films by reflection - Newton's rings - Diffraction - Fressnel and Fraunhofer diffractions - Fraunhofer diffraction at a Single slit - Double slit - Diffraction grating - Grating spectrum - Resolving power of a grating - Rayleigh's criterion for resolving power - Polarization - Types of Polarization - Double refraction - Nicol prism.
UNIT II - ULTRASONICS : Introduction - Production of ultrasonic waves - Magnetostriction method - Piezo electric method - Detection of ultrasonic waves - Properties of ultrasonic waves - Use of ultrasonics for nondestructive testing - Applications of ultrasonics.
ACOUSTICS OF BUILDINGS: Basic requirement of acoustically good hall - Reverberation and time of reverberation - Sabine's formula for reverberation time - Measurement of absorption coefficient of a material - Factors affecting the architectural acoustics and their remedy.
UNIT III - MAGNETIC PROPERTIES: Permeability - Magnetization - Origin of magnetic moment - Classification of magnetic materials - Dia, para and ferro magnetism - Hysteresis curve - Soft and hard magnetic materials.
SUPERCONDUCTIVITY: General properties - Meissner effect - Penetration depth - Type I and Type II superconductors - Flux quantization - DC and AC Josephson effect -BCS Theory - Applications of superconductors.
UNIT IV - CRYSTAL STRUCTURES AND X-RAY DIFFRACTION: Introduction -Space lattice - Basis - Unit cell - Lattice parameter - Bravais lattices - Crystal systems - Structure and packing fractions of Simple cubic - Body centered cubic - Face centered cubic crystals - Directions and planes in crystals - Miller indices - Separation between successive [h k l] planes - Diffraction of X-rays by crystal planes - Bragg's law - Laue method - Powder method.
UNIT V - LASERS : Introduction - Characteristics of lasers - Spontaneous and stimulated emission of radiation - Einstein's coefficients - Population inversion - Ruby laser - Helium-Neon laser - CO2 laser - Semiconductor laser - Applications of lasers in industry, scientific and medical fields.
UNIT VI - FIBER OPTICS AND HOLOGRAPHY: Introduction - Principle of optical fiber - Acceptance angle and acceptance cone - Numerical aperture - Types of optical fibers and refractive index profiles - Attenuation in optical fibers - Application of optical fibers - Basic principles of holography - Construction and reconstruction of image on hologram - Applications of holography.