NEET 12 SYLLABUS IN
PHYSICS
1.
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Electrostatics
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2.
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Current Electricit
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3.
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4.
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Electromagnetic
Induction and Alternating Currents
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5.
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6.
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Optics
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7.
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8.
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Atoms and Nuclei
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9.
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CONTENTS OF CLASS XII SYLLABUS
UNIT I: Electrostatics
1. Electric charges and their conservation.
Coulomb’s law-force between two point charges, forces between multiple charges;
superposition principle and continuous charge distribution.
2. 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.
3. Electric flux, statement of Gauss’s theorem
and its applications to find field due to infinitely long straight wire,
uniformly charged infinite plane sheet and uniformly charged thin spherical
shell (field inside and outside)
4. Electric potential, potential difference,
electric potential due to a point charge, a dipole and system of charges:
equipotential surfaces, electrical potential energy of a system of two point
charges and of electric diploes in an electrostatic field.
5. Conductors and insulators, free charges and
bound charges inside a conductor.
Dielectrics and electric polarization, capacitors and capacitance, 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, Van de Graaff generator.
Dielectrics and electric polarization, capacitors and capacitance, 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, Van de Graaff generator.
UNIT II: Current Electricity
1. Electric current, flow of electric charges in
a metallic conductor, drift velocity and mobility, and their relation with
electric current; Ohm’s law, electrical resistance, V-I characteristics (liner
and non-linear), electrical energy and power, electrical resistivity and
conductivity.
2. Carbon resistors, colour code for carbon
resistors; series and parallel combinations of resistors; temperature
dependence of resistance.
3. Internal resistance of a cell, potential
difference and emf of a cell, combination of cells in series and in parallel.
4. Kirchhoff’s laws and simple applications.
Wheatstone bridge, metre bridge.
5. Potentiometer-principle and applications to
measure potential difference, and for comparing emf of two cells; measurement
of internal resistance of a cell.
UNIT III: Magnetic Effects of Current and
Magnetism
1. Concept of magnetic field, Oersted’s
experiment. Biot-Savart law and its application to current carrying circular
loop.
2. Ampere’s law and its applications to
infinitely long straight wire, straight and toroidal solenoids. Force on a
moving charge in uniform magnetic and electric fields. Cyclotron.
3. Force on a current-carrying conductor in a
uniform magnetic field. Force between two parallel current-carrying
conductors-definition of ampere. Torque experienced by a current loop in a
magnetic field; moving coil galvanometer-its current sensitivity and conversion
to ammeter and voltmeter.
4. Current loop as a magnetic dipole and its magnetic
dipole moment. Magnetic dipole moment of a revolving electron. Magnetic field
intensity due to a magnetic dipole (bar magnet) along its axis and
perpendicular to its axis. Torque on a magnetic dipole (bar magnet) in a
uniform magnetic field; bar magnet as an equivalent solenoid, magnetic field
lines; Earth’s magnetic field and magnetic elements.
5. Para-, dia-and ferro-magnetic substances, with
examples.
6. Electromagnetic and factors affecting their
strengths. Permanent magnets.
UNIT IV: Electromagnetic Induction and
Alternating Currents
1. Electromagnetic induction; Faraday’s law,
induced emf and current; Lenz’s Law, Eddy currents. Self and mutual inductance.
2. Alternating currents, peak and rms value of
alternating current/ voltage; reactance and impedance; LC oscillations
(qualitative treatment only), LCR series circuit, resonance; power in AC
circuits, wattles current.
3. AC generator and transformer.
UNIT V: Electromagnetic Waves
1. Need for displacement current.
2. Electromagnetic waves and their
characteristics (qualitative ideas only).
3. Transverse nature of electromagnetic waves.
4. Electromagnetic spectrum (radio waves,
microwaves, infrared, visible, ultraviolet, x-rays, gamma rays) including
elementary facts about their uses.
UNIT VI: Optics
1. Reflection of light, spherical mirrors, mirror
formula. Refraction of light, total internal reflection and its applications
optical fibres, refraction at spherical surfaces, lenses, thin lens formula,
lens-maker’s formula. Magnification, power of a lens, combination of thin lenses
in contact combination of a lens and a mirror. Refraction and dispersion of
light through a prism.
2. Scattering of light- blue colour of the sky
and reddish appearance of the sun at sunrise and sunset.
3. Optical instruments: Human eye, image
formation and accommodation, correction of eye defects (myopia and
hypermetropia) using lenses.
4. Microscopes and astronomical telescopes
(reflecting and refracting) and their magnifying powers.
5. Wave optics: Wavefront and Huygens’ principle,
reflection and refraction of plane wave at a plane surface using wavefronts.
6. Proof of laws of reflection and refraction
using Huygens’ principle.
7. Interference, Young’s double hole experiment
and expression for fringe width, coherent sources and sustained interference of
light.
8. Diffraction due to a single slit, width of
central maximum.
9. Resolving power of microscopes and
astronomical telescopes. Polarisation, plane polarized light; Brewster’s law,
uses of plane polarized light and Polaroids.
UNIT VII: Dual Nature of Matter and Radiation
1. Photoelectric effect, Hertz and Lenard’s
observations; Einstein’s photoelectric equation- particle nature of light.
2. Matter waves- wave nature of particles, de
Broglie relation. Davisson-Germer experiment (experimental details should be
omitted; only conclusion should be explained).
UNIT VIII: Atoms and Nuclei
1. Alpha- particle scattering experiments;
Rutherford’s model of atom; Bohr model, energy levels, hydrogen spectrum.
Composition and size of nucleus, atomic masses, isotopes, isobars; isotones.
2. Radioactivity- alpha, beta and gamma
particles/ rays and their properties decay law. Mass-energy relation, mass
defect; binding energy per nucleon and its variation with mass number, nuclear
fission and fusion.
UNIT IX: Electronic Devices
Energy bands in solids
(qualitative ideas only), conductors, insulators and 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 a 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 .
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