Class 12 Physics Syllabus 2022-23 by Physics Linx YouTube Channel.pdf

Class 12 Physics Syllabus

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Class 12
th
Syllabus 2022-23
Physics
Full Marks : 70 Marks
Time Duration : 3 Hours
Analysis by : Physics LinxYouTube Channel
Physics Linx–Anil Kumar

3. Ch-1 : Electric Charges and fields
Electriccharges,Conservationofcharge,Coulomb'slaw-forcebetween
twopointcharges,forcesbetweenmultiplecharges;superposition
principleandcontinuouschargedistribution.Electricfield,electricfield
duetoapointcharge,electricfieldlines,electricdipole,electricfield
duetoadipole,torqueonadipoleinuniformelectricfield.Electricflux,
statementofGauss'stheoremanditsapplicationstofindfielddueto
infinitelylongstraightwire,uniformlychargedinfiniteplanesheetand
uniformlychargedthinsphericalshell(fieldinsideandoutside).
No Deletion
By Physics Linx–Anil Kumar YouTube Channel

4. Ch-2 : Electrostatic Potential & Capacitance
Electricpotential,potentialdifference,electricpotentialduetoapointcharge,a
dipoleandsystemofcharges;equipotentialsurfaces,electricalpotentialenergy
ofasystemoftwo-pointchargesandofelectricdipoleinanelectrostaticfield.
Conductorsandinsulators,freechargesandboundchargesinsideaconductor.
Dielectricsandelectricpolarization,capacitorsandcapacitance,combinationof
capacitorsinseriesandinparallel,capacitanceofaparallelplatecapacitorwith
andwithoutdielectricmediumbetweentheplates,energystoredinacapacitor
(noderivation,formulaeonly).
Changes : energy stored in a capacitor (no derivation, formulae only).
By Physics Linx–Anil Kumar YouTube Channel

5. Ch-3 : Current Electricity
Electriccurrent,flowofelectricchargesinametallicconductor,drift
velocity,mobilityandtheirrelationwithelectriccurrent;Ohm'slaw,
V-Icharacteristics(linearandnon-linear),electricalenergyand
power,electricalresistivityandconductivity,temperature
dependenceofresistance,Internalresistanceofacell,potential
differenceandemfofacell,combinationofcellsinseriesandin
parallel,Kirchhoff'srules,Wheatstonebridge.
Deleted Topics : Electrical Resistance, Carbon Resistor Carbon
resistors, colourcode for carbon resistors; series and parallel
combinations of resistors;
metrebridge. Potentiometer -principle and its applications to
measure potential difference and for comparing EMF of two cells;
measurement of internal resistance of a cell.
By Physics Linx–Anil Kumar YouTube Channel

6. Ch-4 : Moving Charges & Magnetism
Concept of magnetic field, Oersted'sexperiment. Biot-Savartlaw and
its application to current carrying circular loop. Ampere's law and its
applications to infinitely long straight wire. Straight solenoid (only
qualitative treatment), force on a moving charge in uniform magnetic
and electric fields. 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; Current loop as a magnetic dipole and its magnetic
dipole moment, moving coil galvanometer -its current sensitivity and
conversion to ammeter and voltmeter
Deleted Topics : toroidalsolenoids, Cyclotron.
By Physics Linx–Anil Kumar YouTube Channel

7. Ch-5 : Magnetism and Matter
Barmagnet,barmagnetasanequivalentsolenoid(qualitative
treatmentonly),magneticfieldintensityduetoamagneticdipole(bar
magnet)alongitsaxisandperpendiculartoitsaxis(qualitative
treatmentonly),torqueonamagneticdipole(barmagnet)inauniform
magneticfield(qualitativetreatmentonly),magneticfieldlines.
Magneticpropertiesofmaterials-Para-,dia-andferro-magnetic
substanceswithexamples,Magnetizationofmaterials,effectof
temperatureonmagneticproperties.
DeletedTopics:magneticdipolemomentofarevolving
electron,earth'smagneticfieldandmagneticelements
Electromagnetsandfactorsaffectingtheirstrengths,permanent
magnets.
By Physics Linx–Anil Kumar YouTube Channel

8. Ch-5 : Magnetism and Matter
Changes:magneticfieldintensityduetoamagneticdipole
(barmagnet)alongitsaxisandperpendiculartoitsaxis,
torqueonamagneticdipole(barmagnet)inauniformmagnetic
field,barmagnetasanequivalentsolenoid
Added : Magnetisationof materials, Effect of Temperature on
Magnetic Properties
By Physics Linx–Anil Kumar YouTube Channel

9. Ch-6 : Electromagnetic Induction
Electromagnetic induction; Faraday's laws, induced EMF and
current; Lenz's Law, Self and mutual induction.
Deleted Topics : Eddy Current
By Physics Linx–Anil Kumar YouTube Channel

10. Ch-7 : Alternating Current
Alternating currents, peak and RMS value of alternating current/voltage;
reactance and impedance; LCR series circuit (phasorsonly), resonance,
power in AC circuits, power factor, wattlesscurrent. AC generator,
Transformer.
Deleted Topics : LC Oscillation
Changes : LCR series circuit (phasorsonly),
By Physics Linx–Anil Kumar YouTube Channel

11. Ch-8 : Electromagnetic Waves
Basicideaofdisplacementcurrent,Electromagneticwaves,their
characteristics,theirtransversenature(qualitativeideaonly).
Electromagneticspectrum(radiowaves,microwaves,infrared,
visible,ultraviolet,X-rays,gammarays)includingelementaryfacts
abouttheiruses.
No Deletion
By Physics Linx–Anil Kumar YouTube Channel

12. Ch-9 : Ray Optics & Optical Instruments
Reflectionoflight,sphericalmirrors,mirrorformula,refractionoflight,
totalinternalreflectionandopticalfibers,refractionatsphericalsurfaces,
lenses,thinlensformula,lensmaker’sformula,magnification,powerof
alens,combinationofthinlensesincontact,refractionoflightthrougha
prism.Opticalinstruments:Microscopesandastronomicaltelescopes
(reflectingandrefracting)andtheirmagnifyingpowers.
Deleted Topics : Application of total internal reflection, Scattering
of light -blue colourof sky and reddish appearance of the sun at
sunrise and sunset.
By Physics Linx–Anil Kumar YouTube Channel

13. Ch-10 : Wave Optics
WavefrontandHuygen’sprinciple,reflectionandrefractionofplane
waveataplanesurfaceusingwavefronts.Proofoflawsofreflection
andrefractionusingHuygen’sprinciple.Interference,Young'sdouble
slitexperimentandexpressionforfringewidth(Noderivationfinal
expressiononly),coherentsourcesandsustainedinterferenceoflight,
diffractionduetoasingleslit,widthofcentralmaxima(qualitative
treatmentonly).
Deleted Topics : resolving power of microscope and astronomical
telescope, polarisation, plane polarisedlight, Brewster's law, uses of plane
polarisedlight and Polaroids.
Changes : Expression for fringe width (No derivation final expression
only), diffraction due to a single slit, width of central maxima (qualitative
treatment only).
By Physics Linx–Anil Kumar YouTube Channel

14. Ch-11 : Dual Nature of Radiation & Matter
Dual nature of radiation, Photoelectric effect, Hertz and Lenard's observations;
Einstein's photoelectric equation-particle nature of light. Experimental study of
photoelectric effect Matter waves-wave nature of particles, de-Broglie relation.
Deleted Topics : Davisson-Germerexperiment
By Physics Linx–Anil Kumar YouTube Channel

15. Ch-12 : Atoms
Alpha-particle scattering experiment; Rutherford's model of atom; Bohr
model of hydrogen atom, Expression for radius of nth possible orbit,
velocity and energy of electron in his orbit, hydrogen line spectra
(qualitative treatment only).
Changes : hydrogen line spectra (qualitative treatment only).
By Physics Linx–Anil Kumar YouTube Channel

16. Ch-13 : Nuclei
Composition and size of nucleus, nuclear force Mass-energy relation,
mass defect; binding energy per nucleon and its variation with mass
number; nuclear fission, nuclear fusion.
Deleted Topics : Radioactivity, alpha, beta and gamma particles/rays
and their properties; radioactive decay law.
By Physics Linx–Anil Kumar YouTube Channel

17. Ch-14 : Semiconductor
Energybandsinconductors,semiconductorsandinsulators(qualitative
ideasonly)Intrinsicandextrinsicsemiconductors-pandntype,p-n
junctionSemiconductordiode-I-Vcharacteristicsinforwardand
reversebias,applicationofjunctiondiode-diodeasarectifier.
Deleted Topics : After Diode as a rectifier everything is deleted
By Physics Linx–Anil Kumar YouTube Channel