MBSE Class 12th Physics Syllabus 2024-2025 PDF:- Download Online

Name of the Board

MBSE

Name of the Grade

12

Subjects

Physics

Year

2024-2025

Format

PDF/DOC

Provider

hsslive.co.in

Official Website

mbose.in

• Electric charges and their conservation. Coulomb’s law— force between two point charges, forces between multiple charges; superposition principle and continuous charge char 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, 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 dipoles in an electrostatic field.
• Conductors and insulators, free charges, and bound charges inside a conductor. Dielectrics and electric polarisation, capacitors and capacitance, a combination of capacitors in series and in parallel, the capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stored in a capacitor, Van de Graff generator.

• Electric current, the 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 nonlinear), 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.
• The 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 brides, meter bridge.
• Potentiometer – principle, and applications to measure potential difference, and for comparing emf of two cells; measurement of internal resistance of a cell.

• Concept of the magnetic field, Oersted’s experiment. Biot – Savart law and its application to the 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. The 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.
• Current loop as a magnetic dipole and its magnetic dipole moment. The 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.
• Paramagnetic, diamagnetic, and ferromagnetic substances, with examples.
• Electromagnets and factors affecting their strengths. Permanent magnets

• 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; LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, wattles current.
• AC generator and transformer

• 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.

• Reflection of light, spherical mirrors, mirror formula. Refraction of light, total internal reflection, and its applications, optical fibers, 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.
• 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 and hypermetropia) using lenses.
• Microscope and astronomical telescopes (reflecting and refracting) and their magnifying powers.
• Wave optics: Wavefront and Huygens’ principle, reflection, and refraction of plane waves at a plane surface using wavefronts.
• Proof of laws of reflection and refraction using Huygens’ principle.
• Interference, Young’s double hole 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.

• 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 conclusions should be explained.)

• 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.
• 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.

• 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.

• Elements of a communication system (block diagram only); bandwidth of signals (speech, TV, and digital data), the 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.