Unit I: Electrostatics (Periods 25)
Electric Charges; Conservation of charge, Coulomb’s law-force 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 fielddue to a dipole, torque on a dipole in uniform electric fleld.
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).
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 dipole in an electrostatic field.
Conductors and insulators, free charges and bound charges inside a conductor. Dielectrics and
electric polarisation, 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 (Periods 22)
Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their
relation with electric current; Ohm’s law, electrical resistance, V-I characteristics (linear and
non-linear), electrical energy and power, electrical resistivity and conductivity. Carbon resistors,
colour code for carbon resistors; series and parallel combinations of resistors; temperature
dependence of resistance.
Internal resistance of a cell, potential difference and emf of a cell,combination of cells in series
and in parallel.
Kirchhoff’s laws and simple applications. Wheatstone bridge, metre bridge.
Potentiometer - principle and its 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 (Periods 25)
Concept of magnetic field, Oersted’s experiment.
Biot - Savart law and its application to current carrying circular loop.
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.
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 uniform
magnetic field; moving coil galvanometer-its current sensitivity and conversion to ammeter and
voltmeter.
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.
Para-, dia- and ferro - magnetic substances, with examples. Electromagnets and factors affecting
their strengths. Permanent magnets.
Unit IV: Electromagnetic Induction and Alternating Currents (Periods 20)
Electromagnetic induction; Faraday’s laws, induced emf and current; Lenz’s Law, Eddy currents.
Self and mutual induction.
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,
wattless current.
AC generator and transformer.
Unit V: Electromagnetic waves (Periods 4)
Need for displacement current, Electromagnetic waves and their characteristics (qualitative ideas
only). Transverse nature of electromagnetic waves.
Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma
rays) including elementary facts about their uses.
Unit VI: Optics (Periods 30)
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, lensmaker’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.
Scattering of light - blue colour of sky and reddish apprearance of the sun at sunrise and sunset.
Optical instruments : Human eye, image formation and accommodation, correction of eye
defects (myopia, hypermetropia) using lenses. Microscopes and astronomical telescopes
(reflecting and refracting) and their magnifying powers.
Wave optics: Wave front and Huygen's principle, reflection and refraction of plane wave at a
plane surface using wave fronts. Proof of 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 telescope. Polarisation, plane polarised light,
Brewster's law, uses of plane polarised light and Polaroids.
Unit VII: Dual Nature of Matter and Radiation (Periods 8)
Dual nature of radiation. Photoelectric effect, Hertz and Lenard’s observations; Einstein’s
photoelectric equation-particle nature of light.
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 & Nuclei (Periods 18)
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. Radioactivityalpha,
beta and gamma particles/rays and their properties; radioactive decay law.
Mass-energy relation, mass defect; binding energy per nucleon and its variation with mass number;
nuclear fission, nuclear fusion.
Unit IX: Electronic Devices (Periods 18)
Energy bands in solids (Qualitative ideas only) conductor, insulator and semiconductor;
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.
Unit X: Communication Systems (Periods 10)
Elements of a communication system (block diagram only); bandwidth of signals (speech, TV
and digital data); bandwidth of transmission medium. Propagation of electromagnetic waves in
the atmosphere, sky and space wave propagation. Need for modulation. Production and detection
of an amplitude-modulated wave.
Practicals (Total Periods 60)
The record, to be submitted by the students, at the time of their annual examination, has to
include
l Record of at least 15 Experiments [with a minimum of 7 from section A and 8 from
section B], to be performed by the students.
l Record of at least 6 Activities [with a minimum of 3 each from section A and section B],
to be demonstrated by the teachers.
l The Report of the project, to be carried out by the students.
Electric Charges; Conservation of charge, Coulomb’s law-force 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 fielddue to a dipole, torque on a dipole in uniform electric fleld.
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).
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 dipole in an electrostatic field.
Conductors and insulators, free charges and bound charges inside a conductor. Dielectrics and
electric polarisation, 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 (Periods 22)
Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their
relation with electric current; Ohm’s law, electrical resistance, V-I characteristics (linear and
non-linear), electrical energy and power, electrical resistivity and conductivity. Carbon resistors,
colour code for carbon resistors; series and parallel combinations of resistors; temperature
dependence of resistance.
Internal resistance of a cell, potential difference and emf of a cell,combination of cells in series
and in parallel.
Kirchhoff’s laws and simple applications. Wheatstone bridge, metre bridge.
Potentiometer - principle and its 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 (Periods 25)
Concept of magnetic field, Oersted’s experiment.
Biot - Savart law and its application to current carrying circular loop.
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.
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 uniform
magnetic field; moving coil galvanometer-its current sensitivity and conversion to ammeter and
voltmeter.
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.
Para-, dia- and ferro - magnetic substances, with examples. Electromagnets and factors affecting
their strengths. Permanent magnets.
Unit IV: Electromagnetic Induction and Alternating Currents (Periods 20)
Electromagnetic induction; Faraday’s laws, induced emf and current; Lenz’s Law, Eddy currents.
Self and mutual induction.
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,
wattless current.
AC generator and transformer.
Unit V: Electromagnetic waves (Periods 4)
Need for displacement current, Electromagnetic waves and their characteristics (qualitative ideas
only). Transverse nature of electromagnetic waves.
Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma
rays) including elementary facts about their uses.
Unit VI: Optics (Periods 30)
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, lensmaker’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.
Scattering of light - blue colour of sky and reddish apprearance of the sun at sunrise and sunset.
Optical instruments : Human eye, image formation and accommodation, correction of eye
defects (myopia, hypermetropia) using lenses. Microscopes and astronomical telescopes
(reflecting and refracting) and their magnifying powers.
Wave optics: Wave front and Huygen's principle, reflection and refraction of plane wave at a
plane surface using wave fronts. Proof of 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 telescope. Polarisation, plane polarised light,
Brewster's law, uses of plane polarised light and Polaroids.
Unit VII: Dual Nature of Matter and Radiation (Periods 8)
Dual nature of radiation. Photoelectric effect, Hertz and Lenard’s observations; Einstein’s
photoelectric equation-particle nature of light.
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 & Nuclei (Periods 18)
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. Radioactivityalpha,
beta and gamma particles/rays and their properties; radioactive decay law.
Mass-energy relation, mass defect; binding energy per nucleon and its variation with mass number;
nuclear fission, nuclear fusion.
Unit IX: Electronic Devices (Periods 18)
Energy bands in solids (Qualitative ideas only) conductor, insulator and semiconductor;
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.
Unit X: Communication Systems (Periods 10)
Elements of a communication system (block diagram only); bandwidth of signals (speech, TV
and digital data); bandwidth of transmission medium. Propagation of electromagnetic waves in
the atmosphere, sky and space wave propagation. Need for modulation. Production and detection
of an amplitude-modulated wave.
Practicals (Total Periods 60)
The record, to be submitted by the students, at the time of their annual examination, has to
include
l Record of at least 15 Experiments [with a minimum of 7 from section A and 8 from
section B], to be performed by the students.
l Record of at least 6 Activities [with a minimum of 3 each from section A and section B],
to be demonstrated by the teachers.
l The Report of the project, to be carried out by the students.
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