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Applied Physics-I IPU Btech first year notes and question paper free download - Dipesh S - 04-24-2017
SYLLABUS:-
UNIT I
Interference: Introduction, Interference due to division of wave front: Fresnel’s Biprism, Interference due to division of amplitude: wedge shaped film, Newton’s rings.
Diffraction: Introduction, Difference between Fresnel and Fraunhofer diffraction, Single slit diffraction, Transmission diffraction grating, Absent spectra.
UNIT II
Polarization: Introduction, Uniaxial crystals, Double refraction, Nicol prism, Quarter and half wave plates, Theory of production of plane, circularly and elliptically polarized lights, Specific rotation, Laurents half shade polarimeter.
Laser: Spontaneous and stimulated emissions, Einstein’s coefficients, Laser and its principle, He-Ne laser.
Fibre optics: Introduction, Single mode fibre, Step index and graded index multimode fibres, Acceptance angle and numerical aperture.
UNIT III
Theory of Relativity: Introduction, Frame of reference, Galilean transformation, Michelson-Morley experiment, Postulates of special theory of relativity, Lorentz transformations, Length contraction, Time dilation, Mass energy relation
Ultrasonics: Introduction, Production of ultrasonics by magnetostriction and Piezoelectric methods, Applications.
UNIT IV
Nuclear Physics: Introduction, Radioactivity, Alpha decay, Beta decay, Gamma decay, Q value, Threshold energy, Nuclear reactions, Nuclear fission: Liquid drop model, Nuclear fusion, Particle accelerators: Linear accelerator, Cyclotron, Radiation detectors: Ionization chamber, Geiger Mueller Counter.