Assam Higher Secondary Education Council New Syllabus

Hii sir, I Wants to get the Syllabus of the HS Second Year Syllabus (Science) Subject Physics of the Assam Higher Secondary Education Council

[shikha]

The Assam Higher Secondary Education Council (abbreviated as AHSEC) is a board of education under the state government of Assam. It is the regulating body for higher secondary (10+2 stage) education in the state of Assam.


The Syllabus of the HS Second Year Syllabus (Science) Subject Physics of the Assam Higher Secondary Education Council is given below

Unit-I : ELECTROSTATICS
Electric charges and their conservation. 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 dipole, electric field due to dipole; torque on a dipole in a uniform electric field.

Electric field lines; 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 charges and of electric dipoles 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
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 (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 applications to measure potential difference, and for comparing emf of emfs cell S; measurement of internal resistance of a cell.

Unit-III : MAGNETIC EFFECTS OF CURRENT AND MAGNETISM
Concept of Magnetic field, Oersted experiment.
Biot-Savart law and its applications to current carrying circular loop (both at centre and at axial point), finite straight conductor.
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. Lorentz force Cyclotron.

Force on a current-carrying conductor in a uniform magnetic field. Force between two parallel current- carrying conductors-definition of one ampere current. Torque experienced by a current loop in a Uniform

Magnetic field; moving coil galvanometer its current sensitivity and voltage sentitivity 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. Magnetic Hysteresis Electromagnets and actors affecting their strengths. Permanent magnets.


Unit-IV : ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS

Faraday s Expt, Magnetic flux, Electromagnetic induction; Growth and decay of currents in DC LR, RC circuits, Faraday s law, induced emf and current; Lenz s Law, Eddy currents. Self and mutual inductance.

Alternating currents voltage, peak and rms value of alternating current/voltage power; 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

Electromagnetic waves and their characteristics (qualitative ideas only). Transverse nature of electro- magnetic waves. Need for displacement current.

Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, x-rays, gamma rays) including elementary facts about their uses.

Unit-VI : OPTICS (Follow NC Convention wherever necessary)
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 for- mula. Magnification, power of a lens, combination of thin lenses in contact. Refraction and dispersion oflight through a prism.

Scattering of light blue colour of the sky and reddish appearance of the sun at sunrise and sunset. Optical instruments : Human eye, image formation and accommodation, correction of eye defects (myopia, hypermetropia, presbyopia and astigmatism) using lenses. Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers.

Wave optics : Wavefront and Huygens principle, reflection and refraction of plane wave at a plane surface using wavefronts. Proof of 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. Resolving power of microscopes and astronomical telescopes. Polarisation, plane polarised light; Brewster’s law, uses of plane polarised light and Polaroids.

Unit-VII : DUAL NATURE OF MATTER AND RADIATION
Photoelectric effect, Hertz and Lenard’s observations; Einstein s photoelectric equation particle nature of light.
Matter waves n wave nature of particles, de Broglie relation. Davisson-Germer experiment.

Unit-VIII : ATOMS AND NUCLEI
Alpha– particle scattering experiment; Rutherford’s atomic model; Bohr model, energy levels, hydrogen spectrum.
Composition and size of a nucleus, atomic masses, isotopes, isobars; isotones. Radioactivity alpha, 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 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, 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 SYSTEM
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.

For more Detials you may Contact to the Assam Higher Secondary Education Council the contact details are given below

Contact Detials :
Assam Higher Secondary Education Council
Address: Bhuban Bhuyan Path, Anuradha, Railway Colony, Bamunimaidam, Guwahati, Assam 781021
Phone: 0361 265 2627