**SRMJEEE Physics Syllabus 2021**

**Part 1 – Physics ( 35 Questions )**

**UNIT 1: Units and Measurement
**

Units for measurement, system of units-S.I., fundamental and derived units, measurements – errors in measurement – significant figures, dimensions – dimensional analysis – applications.

**UNIT 2: Mechanics
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Kinematics: Motion in one dimension – uniform and non-uniform motion – uniformly accelerated motion-scalar and vector quantities – motion in two dimension. Laws of Motion: Newton’s laws of motion – force and inertia – impulse and momentum – law of conservation of linear momentum – applications – projectile motion-uniform circular motion – friction – laws of friction -applications – centripetal force. Work, Energy and Power: Work – energy- potential energy and kinetic energy – power – collision-elastic and inelastic collisions. Rotational motion: Centre of mass-torque-angular momentum and its conservation – moment of inertia – theorems of moment of inertia.

**UNIT 3: Gravitation, Mechanics of Solids and Fluids
**

Gravitation: The universal law of gravitation, acceleration due to gravity – variation of ‘g’ with altitude, latitude and depth – gravitation potential – escape velocity and orbital velocity – geostationary satellites – Kepler’s laws of planetary motion. Mechanics of solids and fluids: Solids – elastic behaviour, stress-strain – Hooke’s law – Modulli of elasticity – relation between them – surface tension capillarity – applications – viscosity – Poiseuille’s formula – Stokes law applications – streamline and turbulent _ow – Reynolds number – Bernoulli’s theorem – applications.

**UNIT 4: Oscillations and Wave Motion
**

Oscillations: Periodic motion – simple harmonic motion – equations of motion oscillations of spring –simple pendulum-free, forced and damped oscillations – resonance-applications. Wave motion: longitudinal and transverse waves – velocity of wave motion in different media -Newton’s formula – Laplace’s correction – super position of waves – progressive and standing waves – sonometer – air columns – Doppler effect and its applications.

**UNIT 5: Heat and Thermodynamics
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Kinetic theory of gases and Thermal properties : Postulates – pressure of a gas – specific heat capacity – relation between Cp and Cv – heat transfer – conduction – convection – radiation – thermal conductivity of solids – black body radiations – Kirchoff’s law – Wien’s displacement law – Stefan’s law – Newton’s law of cooling. Thermodynamics : zeroth law of thermodynamics – First law of thermodynamics – thermodynamical processes – isothermal and adiabatic-reversible and irreversible process – second law of thermodynamics – Carnot’s engine.

**UNIT 6: Ray and Wave Optics
**

Ray Optics: Reflection and refraction of light – total internal reflection – velocity of light determination – deviation and dispersion of light by a prism – lens formula magnification – power of lens – Combination of thin lenses in contact – microscope – astronomical telescope. Wave Optics : Wavefront – Huygens principle – wave nature of light – interference – Young’s double slit experiment – diffraction and polarization.

**UNIT 7: Electricity and Magnetism
**

Electrostatics: Coulomb’s inverse square law – dielectric constant – electric field – electric lines of force – electric dipole – electric potential – potential difference – electric flux – Gauss theorem -electrostatic induction – capacitor capacitors in parallel and series – action of points – lightning arrester. Current Electricity: Electric current – drift velocity of electrons – Ohm’s law – electrical resistivity and conductivity – super conductivity – Kirchoff’s law- Wheatstone’s bridge – principle of potentiometer -electric power. Magnetism and Magnetic effects of current: Earth’s magnetic field and magnetic elements –magnetic field due to a magnetic dipole – torque on a magnetic dipole – tangent law, tangent galvano meter deflection magnetometer – magnetic properties of a material – dia, para and ferromagnetic materials – applications. Magnetic effects of electric current – Bio Savart law – force on a moving charge in an uniform magnetic field – moving coil galvanometer – conversion of a galvanometer into voltmeter and ammeter. Electromagnetic Induction and Alternating Current :Faraday’s law – Lenz law of electromagnetic induction – self inductance – mutual inductance – Flemming’s right hand rule – methods of inducing emf-eddy current. Alternating currents – LCR series circuit – AC generator – transformer.

**UNIT 8: Atomic Physics and Relativity
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Atomic Physics: Atomic structure – properties of cathode rays and positive rays – speci_c charge of an electron – atom model – Thomson atom model – Rutherford atom model – Bohr atom model -merits and demerits – quantum numbers – X-rays – production – properties – Bragg’s law – Bragg’s X-ray spectro meter photo electric effect – laser – spontaneous and stimulated emission – laser action – characteristics of laser light – ruby laser-applications of laser. Relativity: Einstein’s mass energy relation-variation of mass with velocity.

**UNIT 9: Dual Nature of Matter and Nuclear Physics
**

Dual Nature of Matter: Matter waves-wave nature of particles-De Broglie wavelength-electron microscope. Nuclear Physics: Nuclear radius, mass, binding energy, density, isotopes, mass defect – Bainbridge mass spectrometer-nuclear forces neutron discovery – radioactivity – _, _ and _ decay – half life and mean life – artificial radio activity – radio isotopes – radio carbon dating – radiation hazards. Nuclear fission – nuclear reactor – nuclear fusion – hydrogen bomb cosmic rays – elementary particles.

**UNIT 10: Electronics and Communication
**

Electronics: Semiconductors – doping-types – PN junction diode – biasing – diode as a Rectifier – transistors – transistor characteristics – amplifier – gain – feedback in amplifiers – logic gates – basic logic gates – NOT, OR, AND, NOR, NAND – universal gates -De Morgan’s theorems. Communication: space communication propagation of electromagnetic waves in atmosphere – sky and space wave propagation – modulation types – demodulation – microwaves – radars.

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Online Application 14 December 2020 to 21 January 2021.

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Application Form Submission 16 Dec 2020 to 16 Jan 2021.