NEET Physics Syllabus for 2024

UNIT I:

Electrostatics

Electric charges: Conservation of charge. Coulomb's law forces between two point charges, forces between multiple charges; superposition principle and continuous charge distribution.

Electric field: Electric field due to a point charge, electric field lines. 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 charged straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell. Electric potential and its calculation for a point charge, dipole and system of charges: potential difference, Equipotential surfaces, Electrical potential energy of a system of two point charges and of electric diploes in an electrostatic field.

Conductors and insulators. Dielectrics and electric polarization, capacitors and capacitance, the combination of capacitors in series and in parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stored in a capacitor.

UNIT II:

Current Electricity

Electric current, Drift velocity, mobility, and their relation with electric current; Ohm's law. Electrical resistance, V-I characteristics of Ohmic & non-ohmic conductors. Electrical energy and power, Electrical resistivity and conductivity. Series and parallel combinations of resistors; temperature dependence of resistance.

Internal resistance, potential difference and emf of a cell, a combination of cells in series and in parallel. Kirchhoff's laws and their applications. Wheatstone bridge. Metre Bridge.

UNIT III:

Magnetic Effects of Current and Magnetism

Biot-Savart law and its application to current carrying circular loop. Ampere's law and its applications to infinitely long current straight wire and solenoids. Force on a moving charge in uniform magnetic and electric fields.

Force on a current-carrying conductor in a uniform magnetic field. The force between two parallel current-carrying conductors - definition of ampere. Torque experienced by a current loop in a uniform magnetic field; moving coil galvanometer - its sensitivity and conversion to ammeter and voltmeter.

Current loop as a magnetic dipole and its magnetic dipole moment. Bar magnet as an equivalent solenoid, magnetic field lines; Magnetic field due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis. Torque on a magnetic dipole in a uniform magnetic field. Para- , dia- and ferromagnetic substances with examples, effect of temperature on magnetic properties.

UNIT IV:

Electromagnetic Induction & 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; power in AC circuits, wattless current. AC generator and transformer.

UNIT V:

Electromagnetic Waves

Displacement current. Electromagnetic waves and their characteristics, Transverse nature of electromagnetic waves, Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, x-rays, Gamma rays), Applications of e.m. waves.

UNIT VI:

Optics

Reflection of light, spherical mirrors, mirror formula. Refraction of light at plane & spherical surfaces, thin less formula & lens maker formula. Total internal reflection and its applications.

Magnification, power of a lens, combination of thin lenses in contact. Refraction of light through a prism. Microscope and Astronomical Telescope (reflecting and refracting) and their magnifying powers.

Wave optics: Wavefront and Huygens' principle. Laws of reflection and refraction using Huygens' 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. Polarisation, plane polarized light; Brewster's law, uses of plane polarized light and Polaroids.

UNIT VII:

Dual Nature of Matter and Radiation

Dual Nature of Radiation. Photoelectric effect, Hertz and Lenard's observations; Einstein's photoelectric equation: particle nature of light. Matter waves-wave nature of particle, de Broglie relation.

UNIT VIII:

Atoms and Nuclei

Alpha-particle scattering experiments; Rutherford's model of atom; Bohr model, energy levels, hydrogen spectrum. Composition and size of nucleus, atomic masses. Mass-energy relation, mass defect; binding energy per nucleon and its variation with mass number, nuclear fission and fusion.

UNIT IX:

Electronic Devices

Semiconductors; semiconductor diode: I-V characteristics in forward and reverse bias, diode as a rectifier; I-V characteristics of LED, the photodiode, solar cell, and Zener diode; Zener diode as a voltage regulator. Logic gates (OR, AND, NOT, NAND and NOR).

UNIT XI:

Experimental Skills

Familiarity with the basic approach and observations of the experiments and activities:-
1. The resistivity of the material of a given wire using a metre bridge,
2. The resistance of a given wire using Ohm's law,
3. Resistance and figure of merit of a galvanometer by half deflection method,
4. The focal length of - (i) Convex mirror, (ii) Concave mirror and (ii) Convex lens, using the parallax method,
5. The plot of the angle of deviation vs angle of incidence for a triangular prism,
6. Refractive index of a glass slab using a travelling microscope,
7. Characteristic curves of a p-n junction diode in forward and reverse bias,
8. Characteristic curves of a Zener diode and finding reverse break down voltage &
9. Identification of Diode. LED,. Resistor. A capacitor from a mixed collection of such items.