KEE
PHYSICS-KEE 2019
Electrostatics:Frictional electricity –Charges and their conservation –Coulomb’s law –Forces between two point electric charges –Superposition principleElectric field –Electric field due to a point charge –Electric field lines –Electric dipole –Electric field intensity due to a dipole (on its axial line and on the equatorial line) –Behaviour of dipole in a uniform electric field –Application of electric dipole in microwave ovenElectric potential –Potential difference –Electric Potential due to a point charge and due to a dipole –Equipotential surfaces –Electrical potential energy of a system of two point chargesElectric flux –Gauss’s theorem –Field due to infinitely long straight wire –Field due to uniformly charged infinitely plane sheet –Field due to two parallel sheets –Field due to uniformly charged thin spherical shell (inside and outside)Electrostatic induction –Capacitor and capacitance –Dielectric and electric polarization –Parallel plate capacitor with and without dielectric medium –Applications of a capacitor –Energy stored in a capacitor –Capacitors in series and in parallel –Action of points –Lightning arrester –Van de Graaff generator.
Current Electricity: Electric current –Flow of charges in a metallic conductor –Drift velocity and mobility –Their relation with electric currentOhm’s law –Electrical resistance –V-I chraracteristics –Electrical resistivity and conductivity –Classification of materials in terms of conductivity –Superconductivity –Elementary ideas –Carbon resistors –Colour code for carbon resistors –Combination of resistors –Series and parallel –Temperature dependence of resistance –Internal resistance of a cell –Potential difference and emf of a cellKirchoff’s law –Illustration by simple circuits –Wheatstone’s bridge and its applications for temperature coefficient of resistance measurement –Meterbridge –Special case of Wheatstone bridge –Potentiometer –Principle –Comparing the emf of two cellsElectric power –Chemical effect of current –Electro chemical cells –Primary (Voltaic, Lechlanche, and Daniel cells) –Secondary –Rechargeable cell –Lead acid accumulator.
Effects of Electric Current: Heating effect –Joule’s law –Experimental verification –Thermoelectric effects –Seeback effect –Peltier effect –Thomson effect –Thermocouple, thermo emf, neutral and inversion temperature –Thermopile Magnetic effect of electric current –Concept of magnetic field –Oersted’s experiment –Biot-Savart law –Magnetic field due to an infinitely long current carrying straight wire and circular coil –Tangent galvanometer –Construction and working –Bar magnet as an equivalent solenoid –Magnetic field linesAmpere’s circuital law and its application to solenoid6Force on a moving charge in uniform magnetic field and electric field –Cyclotron –Force on current carrying conductor in a uniform magnetic field –Forces between two parallel current carrying conductors –Definition of ampereTorque experienced by a current loop in a uniform magnetic field –Moving coil galvanometer –Conversion to ammeter and voltmeter –Current loop as a magnetic dipole and its magnetic dipole moment –Magnetic dipole moment of a revolving electron.
Electromagnetic Induction and Alternating Current:Electromagnetic induction : –Faraday’s law –Induced emf and current –Lenz’s lawSelf induction –Mutual induction –Self inductance of a long solenoid –Mutual inductance of two long solenoids Methods of inducing emf –(1) By changing magnetic induction (2) By changing area enclosed by the coil and (3) By changing the orientation of the coil (quantitative treatment)AC generator –Commercial generator (Single phase, three phase)Eddy current –Applications –Transformer –Long distance transmissionAlternating current –Measurement of AC –AC circuit with resistance –AC circuit with inductor –AC circuit with capacitor –LCR series circuit –Resonance and Q-factor: power in AC circuits.
Electromagnetic Waves and Wave Optics: Electromagnetic waves and their characteristics –Electromagnetic spectrum, Radio, microwaves, Infra red, visible, ultra violet –X rays, gamma rays –Propagation of electromagnetic wavesEmission and Absorption spectrum –Line, Band and continuous spectra –Fluorescence and phosphorescenceTheories of light –Corpuscular –Wave –Electromagnetic and Quantum theoriesScattering of light –Rayleigh’s scattering –Tyndal scattering –Raman Effect –Raman spectrum –Blue colour of the sky and reddish appearance of the sun at sunrise and sunsetWave front and Huygens’s principle –Reflection, Total internal reflection and refraction of plane wave at a plane surface using wave fronts.Interference –Young’s double slit experiment and expression for fringe width –Coherent source -Interference of light –Formation of colours in thin films –Analytical treatment –Newton’sringsDiffraction –Differences between interference and diffraction of light –Diffraction gratingPolarization of light waves –Polarization by reflection –Brewster’s law –Double refraction –Nicol prism –Uses of plane polarised light and polaroids –Rotatory polarization –Polarimeter
Atomic Physics: Atomic structure –Discovery of the electron –Specific charge (Thomson’s method) and charge of the electron (Millikan’s oil drop method) –alpha scattering –Rutherford’s atom modelBohr’s model –Energy quantization –Energy and wave number expression –Hydrogen spectrum –energy level diagrams –Sodium and mercury spectra -Excitation and ionization potentialsSommerfeld’s atom model –X rays –Production, properties, detection, absorption, diffraction of X-rays –Laue’s experiment –Bragg’s law –Bragg s X-ray spectrometer –X-ray spectra –Continuous and characteristic X–ray spectrum –Mosley’s law and atomic numbe7Masers and Lasers –Spontaneous and stimulated emission –Normal population and population inversion –Ruby laser –He-Ne laser –properties and applications of laser light –holography.
Dual Nature of Radiation and Matter –Relativity: Photoelectric effect –Light waves and photons –Einstein’s photoelectric equation –Laws of photoelectric emission –Particle nature of energy –Photoelectric equation –Work function –Photo cells and their applicationMatter waves –Wave mechanical concept of the atom –Wave nature of particles –de Broglie relation –de Broglie wave length of an electron –Electron microscopeConcept of space, mass, time –Frame of references –Special theory of relativity –Relativity of length, time and mass with velocity –(E = mc2).
Nuclear physicsNuclear properties :–Nuclear Radii, masses, binding energy, density, charge –Isotopes, isobars and isotones –Nuclear mass defect –Binding energy –Stability of nuclei-Bain bridge mass spectrometerNature of nuclear forces –Neutron –Discovery –Properties –Artificial transmutation –Particle acceleratorRadioactivity –Alpha, beta and gamma radiations and their properties, α-decay, β-decay and γ-decay –Radioactive decay law –Half life –Mean life –Artificial radioactivity –Radio isotopes –Effects and uses Geiger-Muller counterRadio carbon dating –Biological radiation hazardsNuclear fission –Chain reaction –Atom bomb –Nuclear reactor –Nuclear fusion –Hydrogen bomb –Cosmic rays –Elementary particles
Semiconductor Devices and their Applications: Semiconductor theory –Energy band in solids –Difference between metals, insulators and semiconductors based on band theory –Semiconductor doping –Intrinsic and Extrinsic semi conductorsFormation of P-N Junction –Barrier potential and depletion layer –P-N Junction diode –Forward and reverse bias characteristics –Diode as a rectifier –Zener diode –Zener diode as a voltage regulator –LEDJunction transistors –Characteristics –Transistor as a switch –Transistor as an amplifier –Transistor biasing –RC, LC coupled and direct coupling in amplifier –Feedback amplifier –Positive and negative feedback –Advantages of negative feedback amplifier –Oscillator –Condition for oscillations –LC circuit –Colpitt oscillatorLogic gates –NOT, OR, AND, EXOR using discrete components –NAND and NOR gates as universal gates –Integrated CircuitsLaws and theorems of Boolean’s algebra –Operational amplifier –Parameters –Pin-out configuration –Basic applications –Inverting amplifier –Non-inverting amplifier –Summing and difference amplifiersMeasuring Instruments –Cathode Ray oscilloscope –Principle –Functional units –Uses –Multimeter –construction and uses.
Communication Systems:Modes of propagation, ground wave –Sky wave propagation
Amplitude modulation, merits and demerits –Applications –Frequency modulation –Advantages and applications –Phase modulationAntennas and directivity Radio transmission and reception –AM and FM –Super heterodyne receiverT.V. transmission and reception –Scanning and synchronizing Vidicon (camera tube) and picture tube –Block diagram of a monochrome TV transmitter and receiver circuitsRadar –Principle –ApplicationsDigital communication –Data transmission and reception –Principles of fax, modem, satellite communication –Wire, cable and Fibre-optical communication.
CHEMISTRY-KEE 2019
Atomic Structure:Bohr’s atomic model –limitations –Sommerfeld’s theory of atomic structure; Electronic configuration and Quantum numbers; Shapes of s, p, d, f orbitals –Pauli’s exclusion principle -Hund’s Rule of maximum multiplicity –Aufbau principle of filling up of electrons in orbitals. Hydrogen spectrum –Lyman, Balmer, Paschen, Brakett and Pfund series; deBroglie’s theory; Heisenberg’s uncertainty principle –wave nature of electron –Schrodinger wave equation and its significance –Eigen values and Eigen functions. Hybridization of atomic orbitals to form molecular orbitals.
p, d and f –Block Elements: p block elements –Phosphorous compounds; PCl3, PCl5–Oxides. Hydrogen halides, Inter-halogen compounds.Xenon fluorides. General Characteristics of d–block elements –Electronic Configuration –Oxidation states of first row transition elements and their colours; Lanthanides –Introduction, Electronic configuration, general characteristics, oxidation state –lanthanide contraction.
Coordination Chemistry and Solid State ChemistryTerminology in coordination chemistry –IUPAC nomenclature of mononuclear coordination compounds –Isomerism, Geometrical isomerism in 4-coordinate, 6-coordinate complexes. Werner’stheory of co-ordination, Valence Bond theory. Uses of coordination compounds. Bioinorganic compounds (Haemoglobin and chlorophyll). Lattice –unit cell, systems, types of crystals, packing in solids; Ionic crystals –Imperfections in solids –point defects. X-Ray diffraction
Thermodynamics, Chemical Equilibrium and Chemical KineticsFirst and second law of thermodynamics –spontaneous and non spontaneous processes, entropy, Gibb’s free energy –Free energy change and chemical equilibrium –significance of entropy. Law of mass action –Le Chatlier’s principle, applications of chemical equilibrium. Rate expression, order and molecularity of reactions, zero order, first order and pseudo first order reaction –half life period. Determination of rate constantand order of reaction. Temperature dependence of rate constant –Arrhenius equation, activation energy.
Electrochemistry : Theory of electrical conductance; metallic and electrolytic conductance. Faraday’s laws –theory of strong electrolytes –Specific resistance, specific conductance, equivalent and molar conductance –Variation of conductance with dilution –Kohlraush’s law –Ionic product of water, pH and pOH –buffer solutions –use of pH values. Cells –Electrodes and electrode potentials –construction of cell and EMF values, Fuel cells, Corrosion and its prevention.
Isomerism in Organic Compounds :Definition, Classification –structural isomerism, stereo isomerism –geometrical and optical isomerism. Optical activity –chirality –compounds containing chiral centres –R,S notation, D,L notation.
Alcohols and EthersNomenclature of alcohols –Classification of alcohols -distinction between primary, seconadary, and tertiary alcohols –General methods of preparation of primary alcohols, properties. Aromatic alcohols –preparation and properties of phenols and benzyl alcohol. Ethers –properties of aliphatic ethers –Uses. Aromatic ethers –Preparation of Anisole –Uses.
Carbonyl CompoundsNomenclature of carbonyl compounds –Comparison of aldehydes and ketones. General methods of preparation of aldehydes –Properties –Uses. Aromatic aldehydes –Preparation of benzaldehyde –Properties and Uses. Aromatic ketones –preparation of acetophenone –Properties –Uses, preparation of benzophenone –Properties. Name reactions; Clemmenson reduction, Wolff –Kishner reduction, Cannizaro reaction, Claisen Schmidt reaction, Benzoin Condensation, aldol Condensation. Preparation and applications of Grignard reagents.
Carboxylic Acids and their derivativesNomenclature –Preparation of aliphatic monobarboxylic acids –formic acid –Properties –Uses. Aromatic acids;Benzoic and Salicylic acid –Properties –Uses. Derivatives of carboxylic acids; acetyl chloride (CH3COCl) –Preparation –Properties –Uses. Preparation of acetamide, Properties –acetic anhydride –preparation, Properties. Preparation of esters –methylacetate –Properties.
Organic Nitrogen CompoundsAliphatic nitro compounds –Preparation of aliphatic nitroalkanes –Properties –Uses. Aromatic nitro compounds –Preparation –Properties –Uses. Distinction between aliphatic and aromatic nitro compounds. Amines; aliphatic amines –General methods of preparation –Properties –Distinction between primary, secondary, and tertiary amines. Aromatic amines –Synthesis of benzylamine –Properties, Aniline –Preparation –Properties –Uses. Distinction between aliphatic and aromatic amine. Aliphatic nitriles –Preparation –properties –Uses. Diazonium salts –Preparation of benzene diazonium chloride .
Biomolecules Carbohydrates –distinction between sugars and non sugars, structural formulae of glucose, fructose and sucrose, with their linkages, invert sugar –definition, examples of oligo and polysaccharides.
Amino acids –classification with examples, Peptides –properties of peptide bond.
MATHEMATICS -KEE 2019
Applications of Matrices and Determinants: Adjoint, inverse –properties, computation of inverses, solution of system of linear equations bymatrix inversion method. Rank of a matrix –elementary transformation on a matrix, Cramer’s rule, non-homogeneous equations, homogeneous linear system and rank method.
Complex Numbers: Complex number system -conjugate, properties, ordered pair representation. Modulus –Properties, geometrical representation, polar form, principal value, conjugate, sum, difference, product, quotient, vector interpretation, solutions of polynomial equations, De Moivre’s theorem and its applications. Roots of a complex number –nthroots, cube roots, fourth roots.
Analytical Geometry of two dimensions: Definition of a conic –general equation of a conic, classification with respect to the generalequation of a conic, classification of conics with respect to eccentricity. Equations of conic sections (parabola, ellipse and hyperbola) in standard forms and general forms-Directrix, Focus and Latus rectum -parametric form of conics and chords. –Tangents and normals –cartesian form and parametric form-equation of chord of contact of tangents from a point (x1,y1) to all the above said curves. Asymptotes, Rectangular hyperbola –Standard equation of a rectangular hyperbola.
Vector Algebra:Scalar Product –angle between two vectors, properties of scalar product and applications of dot products. Vector product right handed and left handed systems, properties of vector product and applications of cross product -Product of three vectors –Scalar triple product, properties of scalar triple product, vector triple Product.
Differential Calculus:Derivative as a rate measurer -rate of change, velocity, acceleration, related rates, derivative as a measure of slope, tangent, normal and angle between curves, maxima and minima. Mean value theorem -Rolle’s Theorem, Lagrange Mean Value Theorem, Taylor’s and Maclaurin’s series, L’ Hospital’s Rule, stationary points, increasing, decreasing, maxima, minima, concavity, convexity and points of inflexion.
Integral Calculus and its Applications:Simple definite integrals –fundamental theorems of calculus, properties of definite integrals. Reduction formulae –reduction formulae for ∫ sinnx dx and ∫ cosnx dx , Bernoulli’s formula. Area of bounded regions, length of the curve.
Differential Equations:Differential equations -formation of differential equations, order and degree, solving differential equations (1storder), variables separable, homogeneous and linear equations. Second order linear differential equations -second order linear differential equations with constant co-efficients, finding the particular integral if f (x) = emx, sinmx, cosmx, x, x2.
Probability Distributions: Probability –Axioms –Addition law -Conditional probability –Multiplicative law -Baye’s Theorem -Random variable -probability density function, distribution function, mathematical expectation, variance Theoretical distributions -discrete distributions, Binomial, Poisson distributions-Continuous distributions, Normal distribution.
Discrete Mathematics: Mathematical logic –logical statements, connectives, truth tables, logical equivalence, tautology.
Groups: Binary operations, semigroups, monoids, groups, order of a group, order of an element, properties of groups.
