JEE Mains 2015 Physics Syllabus:
Unit 1: Physics and Measurement:
- Physics, technology and society, S I 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. Uniformity 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, Newton’s First law of motion; Momentum, Newton’s Second law of motion; Impulsive; Newton’s third law of motion. Law of conservation of linear momentum and its applications, Equilibrium of concurrent forces.
- Static and Kinetic friction, laws of friction, rolling friction
- Dynamics of uniform circular motion: Centripetal force and its applications.
Unit 4: Work, Energy and Power:
- Work done by a constant force and 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 inelastic collisions in one and two dimensions
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; moment of intertia, radius of gyration. Values of moments of inertial for simple geometrical Magnetic Susceptibility and permeability, Hysteresis, Electromagnets and permanent magnets.
Unit 6: Electromagnetic Induction and Alternating Currents:
- Electromagnetic induction; Faraday’s law; induced emf and current; Lenz’s 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; wattless current; AC generator and transformer.
Unit 7: Electromagnetic Waves:
- Electromagnetic waves and their characteristics, Transverse nature of electromagnetic waves. Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, Xrays, gamma rays) Application of e.m. waves.
Unit 8: Optics:
- 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 a lens; Combination of thin lenses in a contact; Microscope and Astronomical Telescope (reflecting and refracting) and their magnifying powers.
- Wave optics: wave front and Huygens’ principle, Laws of reflection and refraction using Huygen’s principle, Interference, Young’s double slit experiment and expression for fringe width, coherent sources and sustained interference of light. Diffraction due to a single slit, width of central maximum. Resolving power of microscopes and astronomical telescopes, Polarization, plane polarized light; Brewster’s law, uses of plane polarized light and Polaroid’s.
Unit 9: Dual Nature of Matter and Radiation:
- Dual Nature of Radiation. Photoelectric effect, Hertz and Lenard observations; Einstein’s photoelectric equation; particle nature of light. Matter waves-wave nature of particle; de Broglie relation. Davisson-Germer experiment.
Unit 10: Atoms and Nuclei:
- Alpha particle scattering experiment; Rutherford’s model of atom; Bohr model, energy levels, hydrogen spectrum. Composition and size of nucleus, atomic masses, isotopes, isobars; isotones. Radioactivity- alpha, beta and gamma particle/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 11: Electronic Devices:
- Semiconductors; semiconductor diode: I-V characteristics in forward and reverse bias; diode as a rectifier; I-V characteristics of LED, photodiode, solar cell and Zener diode; Zener diode as voltage regulator. Junction transistor, transistor action; characteristic 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 12: Communications Systems:
- Propagations of electromagnetic waves in the atmosphere; Sky and space wave propagation; Need for modulation; Amplitude and Frequency Modulation, Bandwidth of signals; Bandwidth of Transmission medium; Basic elements of a Communication System (Block Diagram Only)
Unit 13: Experimental Skills:
- Familiarity with the basic approach and observations of the experiments and activities:
- 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
- Metre Scale- mass of a given object by principle of moments
- Young’s modulus of elasticity of the material of metallic wire
- Surface tension of water by capillary rise and effect of detergents
- Co-efficient of Viscosity of a given viscous liquied 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 the air at room temperature using a resonance tube.
- Specific heat capacity of a given (i)solid and (ii) liquid by method of mixtures.
- Resistivity of the material of a given wire using metre bridge
- Resistance of a given wire using Ohm’s law.
- Potentiometer- comparison of emf of two primary cells; determination of internal resistance of a cell;
- Resistance and figure of merit of a galvanometer by half deflection method
- Focal length of Convex mirror; Concave mirror and Convex lens using parallax method.
- Plot of angle of deviation vs angle of incidence for a triangular prism
- Refractive index of a glass slab using a travelling microscope
- Characteristic curves of a p-n junction diode in forward and reverse bias
- Characteristic curves of 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 the transistor, distinguish between npn and pnp type 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)