ISC Class 12 Physics Syllabus 2022

ISC Season 12The tenth Physics Curriculum 2023: Physics is an elective topic at ISC Class 12 and varieties a vital a part of the Science course. It’s a difficult topic with a broad syllabus. Nonetheless, for engineering aspirants, physics is a topic to review. Even college students within the medical discipline have to review Physics as it’s a part of most increased training entrance exams akin to NEET and AIIMS. Physics requires a deep understanding of ideas and significant pondering to resolve questions. Nonetheless, understanding the proper syllabus for the ISC Grade 12 Physics Board Examination can also be necessary in order that you don’t over- or under-prepare. Class 12 of Physics at ISC (code: 861) consists of two papers: theoretical and sensible. We have now lined ISC Grade 12 Physics syllabus together with unit weight and sensible work particulars. Learn and obtain newest and reference ISC Grade 12 Physics Syllabus 2023 pdf right here.

ISC Class twelfth Datesheet 2023: Verify full date sheet with directions right here

ISC Council class 12 Physics curriculum

ISC class 12 physics topic is split into two papers: theoretical and sensible. Paper 1: Concept holds 70 marks and the length is 3 hours. The sensible take a look at will carry 30 marks (15 marks for sensible work, 10 marks for undertaking work, and 5 marks for sensible file). Verify right here ISC Board class 12 physics syllabus with unit weight.

S. no.


Whole weight


Static electrical energy

14 marks


electrical present


Magnetic results of present and magnetism

16 marks


Electromagnetic induction and alternating currents


Electromagnetic waves



20 marks


The twin nature of radiation and matter

13 marks


Atoms and nuclei


digital gadgets

7 marks


70 marks

The primary paper – archaeological – 70 marks

Noticeable: (i) Until in any other case specified, solely SI models are used throughout educating and studying, in addition to for answering questions.

(ii) All bodily portions should be specified when offered together with their models and dimensions.

(3) Numerical issues from all topics are included besides the place they’re particularly excluded or the place solely qualitative therapy is required.

  1. Static electrical energy

(i) Electrical costs and fields

Electrical Costs Conservation and Estimation of Cost, Coulomb’s Legislation; The precept of superposition and steady cost distribution.

Electrical discipline, electrical discipline generated by some extent cost, electrical discipline strains, electrical dipole, electrical discipline generated by a dipole, torque on a dipole in a uniform electrical discipline.

Electrical flux, Gauss’s idea of electrostatics and its purposes for locating a discipline as a consequence of an infinitely lengthy straight wire, an infinite uniformly charged planar slab and a uniformly charged skinny spherical shell.

(a) Coulomb’s legislation, the SI unit of cost; Free house permittivity and dielectric medium. Frictional electrical energy, electrical costs (two varieties); Repulsion and attraction. Easy atomic construction – electrons and ions. conductors and insulators. quantization and preservation of electrical cost; Coulomb’s legislation in vector kind; (Location coordinates p1s2 It isn’t obligatory). Evaluate with Newton’s legislation of gravity. superposition precept.

ISC Physics 1

(b) the idea of electrical discipline and its depth; examples from totally different fields; electrical and magnetic gravity; Electrical discipline as a consequence of level cost = /q0 (F0 is a take a look at cost); for a bunch of costs (the precept of superposition); level cost q in an electrician

The sector experiences an electrical pressure e = q is the density ensuing from the continual distribution of cost, i.e. linearity, floor and quantity. p p

(c) Electrical strains of pressure: a handy technique to visualize the electrical discipline; Traits of strains of pressure Examples of strains of pressure as a consequence of (1) an remoted level cost (+ve and -ve); (2) a dipole, (3) two comparable costs at a small distance; (4) A uniform discipline between two parallel, oppositely charged plates.

(d) electrical dipole and dipole second; derive the purpose at some extent, (1) on the axis (finish at place) (2) on the perpendicular bisector (equatorial i.e. aspect broad at place) for a dipole, and in addition for r>>2l (dipole is brief); a dipole in a uniform electrical discipline; The online pressure is zero, the torque on the electrical dipole: = x and its derivation.

Gaussian theory

Purposes: Acquiring an expression as a consequence of 1. an infinite line of cost, 2. an infinite uniformly charged flat skinny plate, 3. a hole skinny spherical shell (inside, on the floor and out of doors). Graphical distinction of E versus r for a skinny spherical shell. e

(2) Electrostatic potential, potential power and capacitance

electrical potential, potential distinction, electrical potential due to a degree cost, dipole and system costs; Equipotential surfaces, the electrical potential power of a system of two level costs and an electrical dipole in an electrostatic discipline.

Conductors and insulators, free costs and costs sure inside a conductor. Dielectrics and electrical energy Polarization, capacitors and capacitance, mixture of capacitors in sequence and in parallel. The capacitance of a parallel plate capacitor is the power saved in a capacitor.

Physics 2

(b) conductor capacitance C = Q/V; Get the capacitance of the parallel plate capacitor (C = ∈0A/d) and the equal capacitance of capacitors in sequence and parallel teams. Getting

Specific the saved power (U = 1/2CV2 = 1/2 QV = 1/2Q2/c) and power density.

(c) dielectric fixed Ok = C’/C; That is additionally known as the relative permittivity Ok = ∈r = ∈/∈o; preliminary concepts of matter polarization in a dialogue of the standard of a uniform electrical discipline; The induced floor costs weaken the unique discipline; results in a consequent lower in pd(V); For the remaining cost as Q = CV = C’ V’ = Ok. CV’; V’ = V/Ok; And the; If the capacitor stays linked to the emf supply, then V stays fixed V = Q/C = Q’/C’; Q’ = C’V = Ok.CV = Ok.Q increments; For a parallel plate capacitor with a dielectric in between, C’ = KC = Ok.∈o. A / d = ∈r .∈o .A / d. Then C” = ∈0a / (d / ∈s); For a capacitor partially crammed with dielectric, capacitance, C’ = ∈oA/(dt + t/∈r).

  1. electrical present

The mechanism of present move in conductors. Movement and drift velocity and their relationship to electrical present; Ohm’s legislation and its proof, resistance and resistivity, and their relationship to the drift velocity of electrons; The sixth properties (linear and nonlinear), electrical power and pressure, electrical resistance and conductivity. Temperature dependence of resistance and resistance.

Cell inside resistance, potential distinction and emf of the cell, sequence and parallel cell array, Kirchhoff’s legal guidelines and easy purposes, Wheatstone bridge, multimeter bridge. potentiometer – precept and its purposes for measuring a possible distinction, for evaluating the emf of two cells; To measure the interior resistance of the cell.

(a) The free electron idea of conduction; acceleration of free electrons, leisure time τ; electrical present I = Q/t; Idea of drift velocity and electron movement. Ohm’s legislation, present density J = I/A; experimental validation, graphs and slopes, ohmic and non-ohmic conductors; Acquiring the relation I = vDren derive σ = ne2τ/m and ρ = m/ni2; Impact of temperature on impedance and resistivity of conductors and semiconductors, graphs. resistance R = V/I; resistance ρ given by R = ρ.l/A; conductivity and conductivity. Ohm’s legislation ok = σ

(b) {the electrical} power consumed at time t is E = Pt = VIt; Utilizing Ohm’s Legislation E = V.2/Rt = me2RT. potential distinction V = P/I; P = VI; Electrical power consumed P = VI = V2 / R = i2 s ; Industrial models electrical energy consumption and billing.

(c) The supply of power for an emf seat (akin to a cell) could also be electrical, mechanical, thermal or radiant power. The emf of the supply is outlined because the work completed per unit cost to pressure them to journey to the best level of voltage (from -ve terminal to +5 terminals contained in the cell) Due to this fact, ε = dW/dq; however dq = Idt; dW = εdq = εIdt. Equating the overall work completed to the work completed throughout the exterior resistor R plus the work completed throughout the interior resistance r; εIdt = i2R dt + i2rdt. ε = i(R + r); i = ε / (R + r); Additionally IR + Ir = ε or V = ε- Ir the place Ir is named again emf as a result of it acts in opposition to emf ε; V is the terminal pd. Derive formulation to mix similar cells into sequence, parallel, and combined teams. Parallel mixture of two cells of unequal emf. Collection array of n cells of unequal emf.

(d) State and clarify Kirchhoff’s legal guidelines with easy examples. The primary is the legislation of conservation of cost and the second is the legislation of conservation of power. Be aware the change in voltage throughout the resistor ΔV = IR <0 عندما نذهب `` لأسفل '' مع التيار (قارن مع تدفق الماء في النهر) ، و ΔV = IR> 0 if we go up in opposition to the present via the resistor. Once we go via a cell, the -ve terminal is at a decrease degree and the +ve terminal is at the next degree, so by going from -V to +ve throughout the cell, we go up and

ΔV = + ε and going from +V to the top throughout the cell, we’re sliding, so ΔV = -. Software to easy circuits. Wheatstone Bridge; At first, take Ig = 0 as a result of we take into account a balanced bridge, deriving R1/ s2 = p3/ s4 [Kirchhoff’s law not necessary]. The multimeter bridge is a modified type of the Whetstone bridge, and is used to measure unknown resistance. Right here is R3 = l1ρ and R.4= l2ρ; R3/ s4= l1/ Liter2. Potentiometer precept: the drop in voltage ΔV αΔl; The extra emf ε1 is balanced in opposition to the drop in potential V1 throughout the size l1. ε1 = V.1 = Kl1 ; ε1/ e2 = l1/ Liter2; A potentiometer is sort of a voltmeter. Potential gradient and potentiometer sensitivity. Potentiometer use: to check the emfs of two cells, to find out the interior resistance of the cell.

Obtain and browse the entire ISC Grade 12 Physics Syllabus 2022-23 beneath

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ISC – Mock Assessments for sophistication 12

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