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VITEEE Syllabus for Physics

PART-I - Physics

Electrostatics

Electric potential-electrical potential energy of a system of two point charges-electric potential due to a point charge and due to a dipole-potential difference-equipotential surface. Electric flux-Gauss’s theorem and its application to find due to (i) infinitely long straight wire (ii) uniformly charged infinite plane sheet (iii) two parallel sheets (iv) uniformly charged thin spherical shell (outside and inside). Behaviour of dipole in a uniform electric field-frictional electricity, Coulomb’s law-forces between two point electric charges-charges and their conservation, application of electric dipole in microwave oven-superposition principle-forces between multiple electric charges. Electric field-electric field lines-electric field due to a point charge, electric field intensity due to dipole-electric dipole. Electrostatic induction-dielectric and electric polarization-application of capacitor-capacitors in series and in parallel-lightning arrester-capacitor and capacitance-parallel plate capacitor with and without dielectric medium-Van de Graaff generator-energy stored in a capacitor-action of points.

Current Electricity

Kirchoff’s law-illustration by simple circuits-meterbridge-special case of Wheatstone bridge-comparing the emf of two cells-Wheatstone’s bridge and its application for temperature coefficient of resistance measurement-potentiometer-principle. Electric Power-electro chemical cells-rechargeable cell-chemical effect of current-primary-(Lechlanche, Voltaic, Daniel)-secondary-lead acid accumulator. Carbon resistors-combination of resistors-temperature dependence of resistance-colour code for carbon resistors-series and parallel-internal resistance of a cell-electric current-drift velocity and mobility and their relation with electric current-flow of charges in a metallic conductor. Ohm’s law, electrical resistance-electrical resistivity and conductivity-superconductivity (elementary ideas)-V-I characteristics-classification of materials in term of conductivity.

Effects of Electric Current

Force on a moving charge in uniform magnetic field and electric field-force on current carrying conductor in a uniform magnetic field-definition of ampere-cyclotron-forces between tow parallel current carrying conductors. Torque experienced by a current loop in a uniform magnetic field-conversion to ammeter and voltmeter-magnetic dipole moment of a revolving electron-moving coil galvanometer-current loop as a magnetic dipole and its magnetic dipole moment. Ampere’s circuital law and its application to straight and Toroidal solenoids. Magnetic effect of electric current-Oersted’s experiment-magnetic field due to an infinitely long current carrying straight wire and circular coil-construction and working-magnetic field lines-concept of magnetic field-Biot-Savart law-tangent galvanometer-bar magnet as an equivalent solenoid. Heating effect-experimental verification-Seebeck effect-Thomson effect-measurement of thermo emf using potentiometer-Joule’s law-thermoelectric effects-peltier effect-thermocouple, neutral and inversion temperature, thermoemf-thermopile.

Electromagnetic Induction and alternating current

Methods of inducing emf-(i) by altering magnetic induction (ii) by altering area enclosed by the coil (iii) by altering the orientation of the coil. Eddy current-transformer-applications-long distance transmission. AC generator-commercial generator (three and single phase). Alternating current-AC circuit with inductor-LCR series circuit-factor-measurement of AC-AC circuit with resistance-AC circuit with capacitor-resonance and Q-power of AC circuits. Electromagnetic induction-mutual inductance of tow long solenoids-Faraday’s law-Lenz’s law-induced emf and current. Self induction-self inductance of a long solenoid-mutual induction.

Electromagnetic Waves and Wave Optics

Huygens and Wavefront’s principle-reflection, total internal reflection and reflection of plane wave at a plane surface using wavefronts. Diffraction-diffraction grating-differences between interference and diffraction of light. Polarisation of light waves-Brewster’s law-nicol prism-user of plane polarized light and porlariod’s-polarimeter-polarisation by reflection-double refraction-rotatory polarization. Interference-coherent source-formation of colours in thin films-Newton’s rings-Young’s double slit experiment and expression for fringe width-interference of light-analytical treatment. Electromagnetic waves and their characteristics-radio, infra-red, ultraviolet, gamma rays, microwaves, visible, X-rays-electromagnetic spectrum. Absorption and emission spectrum-phosphorescence and fluorescene-line, continuous and band spectra. Theories of light-wave-quantum and electromagnetic theories-corpuscular. Reddish appearance of the sun at sunrise and sunset and blue colour of the sky-scattering of light-Tyndal scattering-Raman spectrum-Rayleigh’s scattering-Raman effect.

Atomic Physics

Bragg’s law-Bragg’s X-ray spectrometer-Mosley’s law and Mosley’s atomic number-characteristic and continuous x-ray spectrum-x-ray spectra. Lasers and maser-normal population and population inversion-He-Ne laser-holography-stimulated and spontaneous emission-ruby laser-properties and applications of laser light. Sommerfeld’s atom model-x-rays-properties, absorption, production, detection, diffraction of x-rays-mercury and sodium spectra-Laue’s experiment-ionization and excitation potentials. Bohr’s model-wave and energy number expression-energy level diagrams-energy quantization-hydrogen spectrum. Atomic structure-specific charge (Thomson’s method) and charge of the electron (Milliken’s oil drop method)-Rutherford’s atom model-discovery of the electron-alpha scattering.

Dual Nature of Radiation and Matter – Relativity

DeBroglie wavelength of an electron-wave nature of particles-matter waves-electron microscope-DeBroglie relation-wave mechanical concept of the atom. Concept of mass, space-time-Galileon transformations-frame of references-relativity of length, mass and time with velocity-theory of relativity-Einstein’s mass-energy equivalence-matter waves-special theory of relativity. Photoelectric effect-Einstein’s photoelectric equation-particle nature of energy-work function-light waves and photons-laws of photoelectric emission-experimental verification of Einstein’s photoelectric equation.

Nuclear Physics

Radioactive decay law-mean life-y-decay and a-decay-half life-artificial radioactivity-effects and uses-Muller counter-radio isotopes-Geiger-radioactivity-gamma, beta and alpha radiation and their properties. Nature of nuclear forces-discovery-artificial transmutation-neutron-properties.

Semiconductor Devices and Their Applications

Logic gates-OR, AND, EXOR and NOT using discrete components-difference between bipolar and unipolar devices-medium, little and very large scale integration-applications and fabrication-CMOS and TTL, ICs-NOR and NAND gates as universal gates-integrated circuits. Laws and theorems of Boolean algebra-parameters-basic applications-non-inverting amplifier-operational amplifier-pin out configuration-inverting amplifier-summing up amplifier. Measuring instruments-principle-construction and uses-cathode ray oscilloscope-functional units-uses-multimeter. Formation of p-n junction-reverse and forward bias characteristics-zener diode-LED seven segment display-barrier potential and depletion layer-p-n junction diode-diode as a rectifier-zener diode as a voltage regulator-LCD. Junction transistor-transistor as a switch-transistor biasing-feed back in amplifiers-advantages of negative feedback in amplifiers-condition for oscillations-colpitt oscillator, characteristics-transistor as an amplifier-LC, RC coupled and transformer coupling in amplifiers-negative and positive feedback-oscillator-LC circuit. Semiconductor theory-difference between metals, semiconductors and insulators based on band theory-extrinsic and intrinsic semi conductors-semiconductor doping.

Communication Systems

Picture tube and Vidicon (camera tube)-block diagram of a monochrome receiver circuits and T V transmitter. Radar-factors influencing maximum range-principle-applications. Data transmission and reception-digital communication-principles of modem, fax, satellite communication-cable, wire and optical fiber communication. Antenna-design of folded dipole. Reception and radio transmission-superhereterodyne receiver-FM and AM. T V transmission and reception-T V standards-synchronising and scanning-video signal analysis-T V antenna. Antennas and transmission lines-directional pattern-types of antennal-voltage and current distribution-antenna parameters. Ground wave-sky wave propagation-modes of propagation. Frequency modulation-phase modulation-merits and demerits-advantages and applications-applications.


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