Physics Syllabus: JEE Mains 2015:
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The Syllabus contains two sections Section A and Section B:
Section A pertains to Theory comprising of 80% marks and Section B contains Practicals comprising of about 20% marks.
Unit 1: Physics and Measurement:
Physics, technology and society, SI Units, Fundamental and derived units, least count, accuracy and precision of measuring instruments, errors in measurement, dimensions of physical quantities, dimensional analysis and its applications.
Unit 2: Kinematics:
Frame of reference, motion in a straight line, position time graph, speed and velocity. Uniform and non uniform motion, average speed and instantaneous velocity. Uniformly accelerated motion, velocity time, position time graphs, relations for uniformly accelerated motion. Scalars and vectors, vector addition, and subtraction, zero vector, scalar and vector products, unit vector, resolution of a vector. Relative velocity, motion in a plane, projectile motion, uniform circular motion.
Unit 3: Laws of Motion:
Force and inertia, newtons first law of motion, momentum, newtons second law of motion, impulse, newtons third law of motion . law of conservation of linear momentum and its application. Equilibrium of concurrent forces, static and kinetic friction, laws of friction, rolling friction. Dynamics of uniform circular motion, centripetal force and its application.
Unit 4: Work, Energy and Power:
Work done by constant force and a variable force, kinetic and potential energies, work energy theorem power. Potential energy of a spring, conservation of mechanical energy, conservative and non conservative forces, elastic and elastic collisions in one and two dimension.
Unit 5: Rotational Motion:
Centre of mass of a two particle system, centre of mass of a rigid body, basic concepts of rotational motion, moment of a force, torque, angular momentum conservation of angular momentum and its applications, momentum of inertia, radius of gyration. Values of moments of inertia for simple geometrical objects, parallel and perpendicular axes theorems and their applications. Rigid body rotation, equation of rotational motion.
Unit 6: Gravitation:
The universal law of gravitation, acceleration due to gravity and its variation with altitude and depth. Kepler’s laws of planetary motion. Gravitational potential energy, gravitational potential. Escape velocity, orbital velocity of a satellite. Geo-stationary satellites.
Unit 7: Properties of Solids and Liquids:
Elastic behavior, stress strain relationship, hooke’s law, young s modulus, bulk modulus, modulus of rigidity. Pressure due to liquid column, pascal law and its application, viscocity, stokes law, terminal velocity, streamline and turbulent flow, Reynolds number, Bernoulli principle and its application. Surface energy and surface tension, drops bubbles and capillary rise. Heat, temperature, thermal expansion, specific heat capacity, calorimetry, change of state, latent heat, heat transfer conduction, convection and radiation. Newton’s law of cooling.
Unit 8: Thermodynamics:
Thermal equilibrium, zeroth law of thermodynamics, concept of temperature. Heat, work and internal energy. First law of thermodynamics, second law of thermodynamics, reversible and irreversible processes. Carnot engine and its efficiency
Unit 9: kinetic theory of Gases:
Equation of state of a perfect gas, work done on compressing a gas. Kinetic theory of gases- assumptions, concept of pressure. Kinetic energy and temperature, rms speed of gas molecules, degrees of freedom, law of equipartition of energy, application to specific heat capacities of gases, mean free path Avogadro number.
Unit 10: Oscillation and Waves:
Periodic motion- period, frequency, displacement as a function of time, periodic functions. Simple harmonic motion and its equation, phase, oscillations of a spring, restoring force and force constant, energy in SHM, kinetic and potential energies. Simple pendulum, derivation of expression for its time period, free forced and dampled oscillations, resonance. Wave motion, longitudinal and transverse waves, displacement relation for a progressive wave, standing waves in strings and organ pipes, fundamental mode and harmonic, beat, Doppler effect in sound.
Unit 11: Electrostatics:
Electrical charges, conservation of charge, coulomb’s law forces between two point charges, forces between multiple charges, superposition principle and continous charge distribution. Electric field, electric field due to a point charge, electric field line, electric dipole, electric field due to a dipole, torque on a dipole in a uniform electric field. Electric flux, gauss’s law and its applications to find field due to infinitely long uniformly charged straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell. Electric potential and its calculation for a point charge, electric dipole and system of charges, equipotential surfaces, electrical potential energy of a system of two point charges in an electrostatic field. Conductors and insulators, dielectrics and electric polarization capacitor, combination of capacitors in series and in parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stores in a capacitor.
Unit 12: Current electricity:
Electric current, drift velocity, Ohm law, electrical resistance, resistances of different materials, V-I characteristics of Ohmic and nonohmic conductors, electrical energy and power, electrical resistivity, colour code for resistor, series and parallel combinations of resistors, temperature dependence of resistance. Electric cell and its internal resistance, potential difference and emf of a cell, combinations of cells in series and parallel. Kirchoff’s laws and their applications, Wheatstone bridge, meter bridge, potentiometer its principle and applications.
Unit 13: Magnetic Effects of Current and Magnetism:
Biot – Savart law and its application to current carrying circular loop, ampere’s law and its application to infinitely long current carrying straight wire and solenoid. Force on a moving charge in uniform magnetic and electric fields. Cyclotron, force on a current carrying conductor in a uniform magnetic field and electric field. Force between two parallel current carrying conductors definition of ampere. Torque experienced by a current loop in uniform magnetic field moving coil galvanometer, its magnetic dipole moment. Bar magnet as a equivalent solenoid, magnetic field lines, earth magnetic field and magnetic elements, para- dia and ferro magnetic substances. Magnetic susceptibility and permeability, hysteresis, electromagnets and permanent magnets.
Unit 14: Electromagnetic Induction and Alternating Currents:
Electromagnetic induction, Faraday law, induced emf and current, lenz law, eddy currents, self and mutual inductance. Alternating currents, peak and rms value of alternating current/ voltage, reactance and impedance, LCR series, circuit, resonance, quality factor, power in AC circuits, wattles current. AC generator and transformer.
Unit 15: Electromagnetic Waves:
Transverse nature of electromagnetic waves, electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X rays, gamma rays). Applications of e.m waves , reflection and refraction of light at plane and spherical surfaces, mirror formula. Total internal reflection and its application. Deviation and dispersion of light by a prism, lens formula, magnification, power of lens, combination of thin lenses in contact (reflection and refraction) and their magnifying powers. Wave optics: wavefront and huygen’s principle, laws of reflection and refraction using Huygens principle. Interference, young’s double slit experiment and expression for fringe width. Diffraction due to single slit, width of central maximum. Resolving power of microscopes and astronomical telescopes, polarization, plane polarized light, Brewster law, uses of plane polarized light and polaroids.
Unit 16: Optics:
Reflection and refraction of light at a plane and spherical surfaces, mirror formula, total internal reflection and its applications, deviation and dispersion of light by a prism, lens formula, magnification, power of a lens, combination of thin lenses, in contact, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers.
Wave optics: wavefront and Huygens principle, laws of reflection and refraction using the Huygens principle, interference, young s double slit experiment and expression for fringe width, coherent sources and sustained interference of light. Diffraction due to single slit, width of central maximum. Resolving power of microscopes and astronomical telescopes. Polarization, polarized plane polarized light, Brewster law, uses of plane polarized lights and polaroids
Unit 17: Dual nature of Matter and Radiation:
Dual nature of radiation, photoelectric field, hertz and Lenard’s observation, Einstein’s photoelectric equation, particle nature of light. Matter waves-waves nature of particle, de Broglie relation. Davisson Germer experiment.
Unit 18: Atoms and Nuclei:
Alpha particle scattering experiment, Rutherford model of atom, Bohr model, energy levels, hydrogen spectrum. Composition and size of nucleus, atomic masses, isotopes, isobars, isotones. Radioactivity, alpha, beta and gamma particles/rays and their properties, radioactive decay law. Mass energy relation, mass defect, binding energy per nucleon and its variation with mass number, nuclear fission and fusion.
Unit 19: Electronic Devices:
Semi conductors, semiconductor diode; I-V characteristics in forward and reverse bias, diode as rectifier, I-V characteristics of LED, photo diode, solar cell and Zener Diode, Zener diode as voltage regulator. Junction transistor, transistor action, characteristics of a transistor, transistor as an amplifier (common emitter configuration) and oscillator. Logic gates (OR, AND, NOT, NAND and NOR) Transistor as a switch.
Unit 20: Communications Systems:
Propagation of electromagnetic waves in the atmosphere, sky and space wave propagation, need for modulation, amplitude and frequency modulation, bandwidth of signal, bandwidth of transmission, medium, basic elements of a communication system (Block Diagram Only)
Unit 21: Experimental Skills:
-Vernier calipers- its use to measure internal and external diameter and depth of a vessel.
-Screw gauge its use to determine thickness/diameter of thin sheet/wire.
-Simple pendulum dissipation of energy by plotting a graph between square of amplitude and time
-Meter scale- mass of a given object by principle of moments
-Young’s modulus of elasticity of the material of a metallic wire
-Surface tension of water by capillary rise and effect of detergents
-Co-efficient of viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body.
-Plotting a cooling curve for the relationship between the temperature of a hot body and time
-Speed of sound in air at room temperature using a resonance tube
-Specific heat capacity of given solid, liquid by method of mixtures
-Resistivity of the material of a given wire using meter bridge
-Resistance of a given wire using Ohm’s Law
-Potentiometer – comparison of emf of 2 primary cells, determination of internal resistance of cell
-Resistance and figure of merit of a given galvanometer by half deflection method
-Focal length of convex and concave mirror, convex lens using parallax method
-Plot of angle of deviation vs angle of incidence for a triangular prism
-Reflactive index of a glass slab using a travelling microscope
-Charactistics curves of a p-n junction diode in forward and reverse bias.
-Characteristic curves of a transistor and finding current gain and voltage gain
-Characteristic curves of a Zener diode and finding reverse break down voltage.
-Identification of Diode, LED, Transistor, IC, Resistor, Capacitor from mixed collection of Such items
-Using multimeter to identify base of transistor, see the unidirectional flow of current in case of a diode and an LED, check the correctness or otherwise of a given electronic component (diode, transistor or IC)