Neet Physics Syllabus 2021

Unit - Mechanics

### Basics Physics

Differentiation, applications, more details on differentiation, double functional differentiation, differentiation of trigonometric functions, differentiation of exponential and logarithmic Function, Integration, application, definite integration, integration of different functions, mathematic tools, graph, quadratic equation,

### Units and Dimensions

Units and dimensions, fundamental physical quantities, units, symbols, supplementary units, systems of units,(1) mks and mksa system, (2) si system (international system), (3) cgs system, (4) fps system. Applications of dimensional formulas,

### Errors

Errors, finding quantity, least count and different units, unique concept, significant figures,

### Vectors and Scalars

Vector and scalars, physical quantity (n + u + direction) may/must have, representation of vector, standard unit vector, understanding of unit vectors, direction, addition and subtraction of vectors, resolving of any vector, Scalar or dot product, using right hand screw rule, area of triangle, diagonal of parallelogram

### One dimensional motion ( 1-d Motion )

Kinematics, basic terms in kinematics, understanding of displacement and distance, velocity, Mean or average velocity

### Projectile motion(2-D Motion)

1-d motion, 2-d motion or motion in a plane, 3-d projectile motion, vertical mirror, horizontal mirror, condition, same range, Trajectory (path) of projectile, other forma of equation of trajectory, in horizontal mirror

### Relative motion

Relative motion

### Circular Motion

Horizontal circular motion, to prevent outward sliding, conical pendulum, Vertical circular motion, string mass system, rim & mass system, rigid rod and mass system, incomplete circle, radius of curvature

### Law of Motion and Friction

Rough inclined plane

### Center of Mass & Momentum

Centre of mass and momentum, to locate centre of mass, location of c.m of some homogeneous rigid bodies, concepts based on location of cm, concept .6 acceleration of cm, Linear momentum, changing in momentum, changing in momentum, oblique collision, concept of exchange, Newton’s law for collision

### Work Power Energy

Work done, kinetic energy, by the u –r graph, types of potential energy, (1) stable equilibrium, (2) unstable equilibrium, (3) neutral equilibrium, conservative and non-conservative force, constant power

### Gravitation

Newton’s law of gravitation, properties of gravitational force, gravitational field, gravitational field of earth here we are assuming, 3) due to rotation of earth, using law of parallelogram, gravitational potential, potential energy for system of particles, orbital velocity, kinetic energy, potential energy, kepler’s law, (2) law of area, (3) law of periods

### Rotation

Moment of inertia of a single particle, moment of inertia of a rigid body, radius of gyration

## Unit - Properties of Matter & Fluid Mechanics

### Fluid Mechanics

Introduction, Density, Pressure in a fluid, Pressure, Depth, and Pascal’s Law, Absolute pressure, Gauge pressure and pressure gauges, Buoyancy, Archimedes's principle states, Fluid Flow, The Continuity Equation, Bernoulli’s Equation, Turbulence, Surface Tension, Pressure inside a bubble, Capillarity, Viscosity,

### Waves

Introduction, Types of Mechanical Waves, Periodic Waves, Wave Function for a sinusoidal wave, Speed of a Longitudinal wave, Sound Waves in Gases, Normal Modes of a String, Boundary Conditions and Superposition, The Principle of Superposition, Standing Waves on a String, Organ pipes and wind instruments, The Doppler Effect, Moving Listener, Moving Source and Moving Listener,

### Simple Harmonic Motion

Introduction, Simple Harmonic Motion, Equations of simple harmonic motion, The Simple Pendulum, Displacement,Velocity and Acceleration in SHM, Energy in Simple Harmonic Motion, Applications of Simple Harmonic Motion, Vertical SHM, Angular SHM,

### Gravitation and Satellite

Newton's Law of Gravitation, Determine the value of G, Gravitational Potential Energy, Apparent Weight, The Motion of Satellites, The Motion of Planets, Kepler’s first Law, Kepler’s second Law, Kepler’s second Law,

## Unit - Thermal Physics

### Thermometry and Thermal Expansion

Classification of Thermal Physics,Thermometry,Thermometer, Temperature, Temperature Scales, Temperature Difference, Faulty Thermometer, Zeroth Law Of Thermodynamics, Constant –Volume Air Thermometer,Merits Of Gas Thermometer, Demerits of Gas Thermometer, Standard Constant Volume Gas (Hydrogen) Thermometer, Platinum Resistance Thermometer, Advantage Disadvantage,Total Radiation Pyrometer, Optical Pyrometer, Range of Different Thermometers, Isotropic Substance, Anisotropic Substance, Types of Expansion, Application of Linear Expansion, Areal Expansion or Superficial Expansion, Volume Expansion or Cubical Expansion, Apparent Expansion of Liquid, Application of Thermal Expansions, Anomalous Behavior of Water

### Calorimetry

Calorimetry

### Thermodynamics

Thermodynamics System, Thermodynamics Process, Volume, Internal Energy (U), Work Done, Sign Convention, Types of Specific Heat, Degree of Freedom, Graphically, The Second Law of Thermodynamics, Refrigerators and Heat Pumps, Carnot Engine, the Carnot Cycle.

### Kinetic Theory of Gases

Gasses, Charle’s law, Gay-Lussac’s Law or Pressure Law, Avogadro’s Law, Graham’s Law of Diffusion, Dalton’s Law of Partial Pressure, Equation of State or Ideal Gas Equation, Pressure of An Ideal Gas, Instantaneous Velocity, Time During Collision, Collision Frequency (N), Change In Momentum, Force on Wall, Pressure, Root Mean Square Speed, Most Probable Speed, Average Speed, Mean Free Path, Law of Equipartition of Energy [Boltzmann Law], Specific Heat (C_{p} And C_{v}) of A Gas, Specific Heat At Constant Volume (C_{v}), Specific Heat At Constant Pressure (C_{p}), Vander Waal’s Gas Equations, Relation Between Vander Waal’s Constants And T_{c} , P_{c }, V_{c.}

### Heat Transfer

Thermal Conduction, Convection, Radiation, Thermal Conduction, Thermal Resistance, Combinations of Slabs, Parallel Combination, Interaction of Radiation With Matter, Different Bodies, Emissive Power, Absorptive Power And, Emissivity, Total Emittanceor Total Emissive Power (E),Monochromatic Absorptanceor Spectral Absorptive Power (A_{l}), Total Absorptanceor Total Absorpting Power (A), Emissivity (e), Perfectly Black Body, Kirchhoff’s Law, Stefan’s Law, Rate of Loss of Heat (R_{h}) And Rate of Cooling (R_{c}), Rate of Loss of Heat (or Initial Rate of Loss of Heat), Initial Rate of Fall In Temperature (Rate of Cooling, Newton ‘S Law Cooling, Wien’s Displacement Law, Temperature of The Sun And Solar Constant.

## Unit - S.H.M & Waves

### Simple Harmonic Motion

Motion, Periodic Motion, Fixed Period Periodic Motion, Maximum And Minimum Values of Displacement, Velocities And Acceleration, Simple Pendulum, Conclusions, In Side Any Lift, In Side Any Vehicle, Spring Pendulum, Concept of Reduced Mass, If Anyone Mass Is Very Heavy, Spring Block System, Elastic Wire, Partially Submerged Floating Body, Liquid In Side U Tube, Compound Pendulum (or Physical Pendulum), Torsional Pendulum, Energy, Combinations of Springs, Mixed Combination, Cutting of Spring, Damping And Damped Oscillations, Amplitude of Damped Oscillations.

### Progressive Wave and Speed of Mechanical Wave

Medium: Properties, Transverse Waves (T.Waves), Longitudinal Waves (L.Waves), Progressive Waves, Maximum Particle Speed, Phase Difference And Path Difference, Path Difference, Speed of Mechanical Waves, For Solids Medium, For Liquids Medium, Laplace’s Correction, Temperature Difference, Pressure, Density, Humidity.

### Stationary Waves & Beats

Speed of T – Waves Along The String, Reflection of T- Waves, Formation of Nodes And Antinodes, Harmonics of Vibrating String, For String With Attached Mass, For String Without Attached Mass, Stationary Wave or Standing Wave, Equations of Standing Waves, Waves, Tuning Fork, Number of Beats, Waxing and Filing, For *N* Tuning Fork

### Interference and Organ Pipe

Interference, Intensity of Wave, For Better Interference, Organ Pipe, Closed Pipe, End Correction

### Doppler’s Effect

Case I:- Source at rest, observer moves, Case II:- observer at rest, Source moves, Case III:- Both source and observer are in motion, Doppler’s Effect, Doppler’s Effect In Light, Types of Sound Waves, Loudness

## Unit - **Magnetism**

### Moving Charge in Magnetic Field

History, Natural Magnet, Magnetic Force, Direction Of *Fm *, Right Hand Rule, Left Hand Rule, Zero Magnetic Force,Deviation Of A Charged Particle In Magnetic Field.

### Electromagnetic Field

Biot Savart Law, Application Of Biot Savart Law, Ampere’s Circuital Law, Magnetic Field Due To A Cylindrical Wire.

### Force and Torque in Magnetic Field

Magnetic Force On A Current Carrying Conductor, Force Between Parallel Current Carrying Wires, Magnetic Dipole, Refer Figure (A), Refer Figure (B), Refer Figure (C), Torque, Force Between Two Moving Charges, Standard Cases For Force On Current Carrying Conductors, Moving Coil Galvanometer.

### Earth’s Magnetism

Bar Magnet, Elements Of Earth’s Magnetic Field, Tangent Law, Magnetic Materials, Ferromagnetic Material, Comparison Between Soft Iron And Steel, Comparatively Study Of Magnetic Materials.

### Electromagnetic Induction

Magnetic Flux, Faraday’s Law,Lenz’s Law, Motional Electromotive Force, Motional Emf Induced In A Rotating Bar, Self Inductance, Kirchhoff's Second Law With An Inductor, Energy Stored In An Inductor, Mutual Inductance, First Definition, Second Definition, Combination Of Inductances, In Parallel, Inductance Of A Solenoid, Mutual Inductance Of A Solenoid Surrounded By A Coil, Eddy Current, Induced Electric Field.

### Alternating Current Circuits

Alternating Current And Voltage, Circuit Elements In Ac Circuits, A Resistor In An Ac Circuit, An Inductor In An Ac Circuit, A Capacitor In An Ac Circuit, Terminology And Analysis Of Series Ac Circuits, Ac Applied To L-R Circuit, Ac Applied To C-R Circuit, Ac Applied To L-C Circuit, Power In Ac Circuit And Choke Coil (A) Power In Ac Circuits, Transformer, Types Of Transformer, Efficiency Of Transformer ().

## Unit - Optics & Wave Optics

**Reflection**

Review of Light, Electromagnetic Spectrum, Point Object, Linear Object, Linear Magnification

**Refraction through Plane Surface**

Refractive Index, Properties Of Refractive Index, Single Refraction From A Plane Surface, Refraction Through A Glass Slab, Total Internal Reflection (Tir), Totally Reflecting Prisms, Refraction through Prism, Dispersive Power,

**Refraction through Spherical Surface**

Refraction From A Single Spherical Surface, Refraction From A Double Spherical Surface, Thin Lenses, Thin Lenses, Lens Maker’s Formula And Lens Formula, Formation Of Image By A Convex Lens, Formation Of Image By A Concave Lens, Cutting of Lenses, Defects in Lens, Power Of Lens

**Optical Instruments**

Human Eye, Defects In Eye, Microscope, (1) Simple Microscope, (2) Compound Microscope, Astronomical Telescope (Refracting Type), Terrestrial Telescope, Terrestrial Telescope, Gallilean Telescope, Gallilean Telescope, Resolving Limit And Resolving Power

**Interference in Light**

Interference, Conditions, Resultant Amplitude Or Intensity, Interference In Thin Films, Interference In Thin Films, Interference In Thin Films, Interference In Reflected Light, Polarization Of Light, Malus Law, Methods Of Producing Plane Polarized Light

**Wave Optics**

Young’s Double Slit Experiment (Ydse), Young’s Double Slit Experiment (Ydse), Young’s Double Slit Experiment (Ydse), Lloyd’s Mirror, Missing Wave Lengths, Diffraction Of Light, Central Maxima

## Unit - Modern Physics

**Atomic Physics and Spectrum**

Dual Nature Of Electromagnetic Waves, De – Broglie Wavelength Of Matter Wave, De – Broglie Wavelength Associated With The Particles, Rutherford Scattering, Observation, Impact Parameter (B), Number Of Particles Scattered Per Unit Area, Distance Of Closest Approach (Nuclear Dimension), Bohr’s Atomic Model, Bohr’s Postulates, Radius Of N^{th }Bohr’s Orbit, Velocity Of Electron In Nth Bohr’s Orbit, Kinetic Energy Of Electron In Nth Bohr’s Orbit, Potential Energy Of Electron In Nth Bohr’s Orbit, Total Energy Of Electron In Nth Bohr’s Orbit, Some Other Quantities For Revolution Of Electron In Nthorbit, Ionisation Energy, Spectrum, Emission Spectra, Absorption Spectra, Spectral Series For H – Atom, Balmer Series, Paschen Series, Bracket Series, Pfund Series,Humphery Series

**Photoelectric Effect**

Emission Of Electrons, Thermionic Emission, Secondary Emission, Photo Electric Emission, Work Function, Photoelectric Effect, Photo Electric Current, Photo Electric Current, Graph, Compton Effect, Davisson And Germer Experiment, Radiation Pressure, Automatic Door

**X –Rays**

Electromagnetic Spectrum, X – Rays, Production Of X-Rays, Continuous X-Rays, Characteristic X-Rays, Moseley’s Law For Characteristic Spectrum, Absorption Of X-Rays, Types Of X –Rays, Properties Of X –Rays, C.R.O Tube, Application Of Electric Field, Application Of Magnetic Field

**Nuclear Physics**

Size Of Nucleus, Radio Activity, – Decay, Radioactive Series, – Decay,Decay Law, Decayed Nuclei, Probability For Survival, Half Life, Mean Life, Nuclear Reactors,

## Unit - Electrostatic and Current Electricity

**Electric field and Potential**

Electric Charge, Fundamental Charge Particles, Positive Charge Body, Negative Charged Body, Uncharged Body, Amount Of Charge, Units Of Charge, Conversion, Ways To Charging A Body, Properties Of Charges, Accelerated Charge, Attraction Or Repulsion, Attraction Or Repulsion, Charge Resides On The Outer Surface Of A Conductor, Charge Resides On The Inner And Outer Surface Of A Insulator, Charge Resides On The Outer Surface Of A Conductor, Distribution Of Charge In Conductors, Coulomb’s Law (For Two Point Charges At Rest), The Magnitude Of The Resultant Of Two Electric Forces Is Given By, For Problem Solving Remember Following Standard Results, Electric Field, Electric Field Intensity, Electric Lines Of Force, Individual Charges, Pair Of Unlike Charges, Pair Of Like Charges, Some Basic Terms, Electric Potential, Electric Field And Potential Due To Various Charge Distribution, Electric Field Due To Bending Of Charged Rod, Relation Between Electric Field And Potential, Equipotential Surface, Electrostatic Potential Energy, Equilibrium Of Charges, Electric Dipole, Dipole Moment, Maximum Torque, Minimum Torque, Work Done In Rotation Dipole In A Uniform Electric Field, Work Done In Rotational By, Electric Field Due To A Dipole At Any General Position

**Gauss’s Law**

Electric Flux, Charged Cylinder

**Capacitor**

Capacitor, Objectives Of Capacitor, Units Capacitance, Types Of Capacitors, Earthed Spherical Capacitor, Earthed Concentric Spherical Capacitor, Spherical Earthed Capacitor, Parallel Plate Capacitor, Cylindrical Capacitor, Capacitor Partially Filled With Dielectric, If N Dielectrics, If Completely Filled By Dielectric, If Completely Filled By Conducting Slab, Combinations Of Capacitors, Properties Of Series Combination, Special Cases, Parallel Combinations, Properties Of Parallel Combinations, Special Cases, Mixed Combinations, 5 Capacitors In Parallel, (Ii) Identical Plates And Are At Same Gap With Each Other, Possible Capacitors, Possible Capacitors, Dielectric Between Plates Of Capacitors, Energy Stored In A Capacitor, Redistribution Of Charge, Initially, Energy Loss, Important Point

**Current Electricity**

Electric Current, Types Of Electric Current, Electric Current Vector Or Scalar, Electrical Circuit, Current Density, Resistivity, Resistor, Colour Table, Fourth Band, B.B. Roy Of Grait Britain Has A Very Good Wife, Important Point, Electromotive Force(Emf), Kirchhoff’s Junction Law (Kjl), Kirchhoff’s Voltage Law (Kvl), Kirchhoff’s Voltage Law (Kvl, Combination Of Resistors – Series And Parallel, Delta To Star Transformation, Series Grouping, Parallel Grouping , Mixed Grouping, Galvanometer, Voltmeter, Potentiometer, Principle Of Wheatstone’s Bridge, Meter Bridge

**Thermal and Chemical Effect of Current**

Electric Power, Electricity Consumption, Combination Of Bulbs, Faraday’s Laws Of Electrolysis

## Unit - Electronics

**Semi Conductor**

Solids And Semiconductor, Crystalline, Amorphous, Holes, Classification Of Solids On The Basis Of Band Theor Conductivity Of Solid, Valence Band And Conduction Band, Conductors, Insulators, Semiconductors, Intrinsic Or Pure Semiconductors, Types Of Solid, Extrinsic Or Doped Semiconductors, Densities Of Charge Carriers, Electrical Properties Of Semiconductor

**Semi Conductor**

P – N Junction Diode, Depletion Region, Symbol, Symbol, Special Purpose Diodes, P – N Junction Diode As Half – Wave Rectifier, P – N Junction Diode As Full – Wave Rectifier, Transistor, Working Of P – N – P Transistor, Working Of N – P – N Transistor, Different Modes Of Operation of A Transistor, Ce Configurations, Input Characteristics, Output Characteristics, Transistor As An Amplifier, Npn Transistor As Ce Amplifier, Npn Transistor As Ce Amplifier, Different Gains In Ce/Cb Amplifiers (1) Transistor As Cb Amplifier, Transistor As Ce Amplifier, Comparison Between Cb, Ce And Cc Amplifier, (a) And **(**b**)**–Parameters, Diode And Triode, Diode Value, Working Of Diode, Diode Characteristics, Triode Valve, Characteristic Constant, Amplification Factor (Μ), Internal Resistance *(Rp)*, Mutual Conductance (Gm), Relation Between Three Constant

**Logic Gates**

Truth Table, Boolean Expression, Binary System, Type Of Gate

**Electromagnetic Wave**

Electromagnetic Waves, Electromagnetic Waves, Maxwell’s Contribution, Properties Of Em Waves, Uses Of Em Spectrum

**Communication**

Basic Communication System, Different Channels, Types Of Communication System, Few Digital Communication System, Analog And Digital Signals, Modulation, Need For Modulation, Amplitude Modulation (Am), Amplitude Modulation (Am), Limitation Of Amplitude Modulation, Frequency Modulation (Fm), Space Communication, Sky Wave Propagation, Sky Wave Propagation, Space Wave Propagation, Space Wave Propagation, Microwave Communication, Optical Fiber, T.V. Signals