Madhya Pradesh Board Physics Syllabus for Class 12


Madhya Pradesh Board Syllabus for Class 12 Physics

Physics syllabus for class XII of 2008-09 session

Time: 3 hours
Maximum Marks: 100( Theory=75 Marks, Practical= 25 Marks)

 

Unit

Name of the Unit

Contents

Marks

Periods

1

Electrostatic

* Electrostatics -

Electronic Principle of charging, Conservation and quantization of charge, coulomb's law, Unit charge, Forces between multiple charges, principle of superposition, Continuous distribution of charge, electric field and its physical significance, electric field due to point charge, Electric lines of force, electric dipole, electric field due to Dipole, Torque experienced by a dipole in uniform electric field, work done to rotate electric dipole, potential energy of system of two charges and potentials energy of dipole , electric flux, Gauss' theorem, and its applications.

 

* Electric Potential -

Physical meaning, potential difference, potential due to point charge and dipole, Relation between electric field and potential , Factor affecting potential, equipotential surface, velocity of charged particle in an electric field,

 

* Conductor and non Conductor, presence of free and bound charges on conductor,Capacitor principle of capacitors, Expression of capacity for parallel plate and spherical capacitor, Re distribution of charges and loss of energy, Dielectric medium ( polar and non-polar) van-de-graaff generator

8

20

2

Current Electricity

* Current Electricity -

Electric current and resistance, flow of current, electric current in conductor, drift Concept of mobility, relation between current and drift velocity, Ohm's Law and its limitations, electric resistance, electric conductivity, specific resistance, specific conductivity, effect of temperature on resistance and specific resistance. Combination of resistances, kirchoff's laws of electric current, principle of wheat stone bridge and its derivation by kirchoff's law, Application of whetstone bridge to measure the resistance by meter bridge, ohmic and non-ohmic electric circuit, Thermostat and its application & concept of Super conductivity, example and uses,color code of carbon resistors.

 

* Cell -

voltmeter, types of cell-primary cell, secondary cell, e.m.f of cell, difference between emf and potential difference, internal resistance of cell, factors affecting internal resistance of the cell, relation of internal resistance of a cell with e.m.f, potential difference and current. combination of cells (series, paralleled and mixed)

 

*Potentiometer -

Construction, Principle, Superiority on voltmeter, Sensitivity,

- Experimental use of potentiometer

- Comparison of e.m.f of two cells, internal resistance of primary cell.

8

20

3

Magnetic effect of current and magnetism

* Concept of magnetism field, orersted experiment, Biot savart's law . Unit of electric current, intensity of magnetic field produced by straight current carrying conductor (infinity long), Intensity of magnetic filed at the centre and on the axis of circular coil.

Straight and toroidal solenoids. Force on a moving charge in uniform magnetic field, unit of magnetic field. Cyclotron,force on current carrying conductor in a uniform magnetic field. Forces between two parallel current carrying conductors, Torque experienced by current Carrying conductors. Torque experienced by current carrying coil. Galvanometer, shunt, conversion of Galvanometer into ammeter and voltmeter. Current sensitivity.

 

* Coulomb's inverse square Law, unit pole, magnetic dipole, dipole, moment Current loop as a magmatic dipole Magnetic, dipole moment of revolving electron, intensity of magmatic field at a point & its unit, dimensional formula, expression for intensity of magnetic field of dipole in axial and transverse positions, magnetic lines of force and neutral point, comparison of current carrying solenoid and bar magnet, torque acting on a magnetic dipole in a uniform magnetic field . Definition of magnetic moment and its unit.

 

* Dia, pare and ferromagnetic substances and their examples, Electromagnet, permanent magnet, elements of terrestrial magnetism, measurement and relation between them.

6

10

4

Electromagnetic Induction and Alternating Current-

* Magnetic Flux and its dimensional formula, Faraday's experiment and its inferences. Farady's law's of electromagnetic induction. Lenz's law, self induction,mutual induction and its inductive coefficient, Need of displacement current, Eddy currents, their properties & uses.

 

* Alternating current :-

Amplitude of alternating current, root mean square and peak value of electric current and relationship between them, alternating current circuit, ohmic resistance (R), capacitance (C) inductance (L) and R-C, R- L, L-C and L-C-R circuit .Calculation of impedance, resonant circuits and characteristics, wattles current, power in a AC circuit, oscillation in L-C circuit , types of transformer and different uses. AC and DC dynamo, construction and principle and working of D.C. electric motor, choke, starter and their uses.

10

20

5

Electro Magnetic Waves and Waves Optics

* Electromagnetic waves - E.M. waves their production and difference with mechanical waves, experiment of Bose and Hertz, (With special reference to J.C. Bose Indian scientist). properties of e.m. waves. electromagnetic spectrum (Description of each radiation & their uses)

 

* Propagation of electromagnetic waves -

Earth's atmosphere, classification of radio waves, propagation of radio waves,ground waves and sky wave communication satellite, remote sensing.

 

* Wave optics - Newton's corpuscular theory, Hygen's wave theory, super position of waves, interference of light and types of interference, conditions for interference, Young's double slit experiment, expression for fringe width diffraction, diffraction due to straight edge, single slit, width of central fringe. Polarization of light, production of polarized light, plane polarized light, Brewster's law, Polaroid and its uses.

8

18

6

Ray optics

* Reflection by spherical mirror -

Ray optics as a limiting form of wave optics. Reflection of light, formation of images by spherical mirror. Determination of focal length of concave mirror by u-v method and concept of conjugate foci.

 

* Refraction at plane surface -

Refraction and its Laws, cause of refraction, refraction through various medium, critical angle, relation between refractive index and critical angle, total internal reflection, its condition and uses.

 

* Refraction through spherical surface - Expression of refraction formula through spherical surface. refraction formula for lens. relation between u, v and f for concave and convex lens, magnification, Power of lens, combination of thin lenses in contact, Determination of focal length of convex lens by displacement method.

 

* Refection through Prism - Explanation of refraction through prism, expression for refractive index of material of prism, dispersion of light, virtual and real spectrum, pure and impure spectrum, conditions for pure spectrum. Angular dispersion and dispersive power. Scattering of light (With special reference to sir C.V. Raman) blue color of sky and red color of sky at sunrise and sunset.

10

20

7

Optical Instrument

* Microscope :- Simple microscope, compound microscope and their magnifying power and ways to increase magnifying power. electron microscope (elementary idea)

 

* Telescope - Astronomical and principle of terrestrial telescope, Galilean telescope and reflecting telescope. Expression for magnification. Resolving power of optical Instrument - resolving power of microscope and telescope.

5

8

8

Electron and Photon

Electron and photon :

Introductory knowledge of electron and photon, Types of electronic emission Photo electric effect. Hert's and Lenard's experiment, laws of photo electric emmission, statement, explanation & equation. Davission germer experiment. De.Brogli wave.

4

10

9

Solid state and Semiconductor devices

Solid state, semi conductor devices -

Types of solids and examples, energy levels, classification of solids in conductor, insulator and semiconductor, definition and distinction. Types of semiconductor and their difference. resistivity of semi conductor. Current through a P-N Junction diode, circuits for forward and reverse biased. Use of P-N junction diode as rectifier. Solor cell, Zener diode. Junction of P-N-P and N-P-N transistor (common emitter mode). Use of transistor as an amplifier power gain, current gain and voltage gain and their relation (only for common emitter). oscillator, Transistor switch. Logic gates (OR, AND, NOT, NAND, and NOR), Elementary ideas of Integrated circuit (IC).

8

20

10

Principal of Communication

Elementary idea of analogue and digital communication, Elements of communication system (block diagram only), band width of signals. (speech, T V & Digital-data), Need for modulation, Modulation amplitude, frequency and pulse modulation. Elementary idea of demodulation, data transmission and retrieval, FAX and MODEM, Line communication as medium of communication, two wire lines, cables, telephone links, optical communication, optical fibre, types of optical fibre, communication through optical fibre and its advantages, optical sources - LED, LASER, DIODE LASER, OPTICAL DETECTOR, elementary idea of light modulation.

8

14

 

Revision

 

 

20

 

 

Practical Syllabus:-

Time : 3 hours

Maximum Marks: 25

 

Note - At Least 12 experiment from the following list should be compulsorily performed.

1. Determination of focal length of concave mirror by u-v method.

2. Determination of focal length of convex lens by u-v method.
3. Determination of refractive index of material of prism by I-δ graph.
4. Determination of focal length of concave lens using a convex lens.
5. Determination of focal length of convex lens by displacement method.
6. Determination of magnetic moment of bar magnet by ploting lines of forces in axial and transverse position.

7. Determination of Specific resistance of conductor using meter bridge.
8. Verification of laws of combination of resistances using meter bridge
9. Verification of ohm's law.
10. Comparison of emf of two cells using potentiometer.
11. Determination of internal resistance of a cell using potentiometer.
12. Conversion of galvanometer into ammeter and voltmeter.
13. To plot characteristics of junction diode.
14. To plot characteristics of photocell.
15. To plot transistor characteristics in common emitter mode.
16. Study of logic gates.
17. To plot characteristics of zener diode.

Activities :-

1. To measure the resistance and impedance of inductor with or without iron core.
2. To measure resistance, Voltage (AC/DC), current (AC) and cheek continuity of a given circuit using multimeter.

3. To assemble the components of a given electrical circuit.
4. To study the variation in potential drop with length of a wire for a steady current.
5. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
6. To identify a diode, an LED, a transistor, and IC, a resistor and a capacitor from mixed collection of such items.

7. Use of multimeter to (i) identify base of transistor. (ii) distinguish between NPN and PNP type transistors. (iii) see the unidirectional flow of current in case of a diode and an LED. (iv) check whether a given electronic component (e.g. diode, transistor of IC) is in working order.

8. To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
9. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.

10. To observe diffraction of light due to a thin slit.

LIST OF PROJECTS :-

1. Measurement of angle of dip using dip circle.
2. To study the use and function of step up and step down transform.
3. To study the construction & function of an electric motor.
4. To study the color code of carton resistors.
5. To make a comparative study of emf and internal resistance of different cell.
6. To prepare a working model of thermophile.
7. To study the spectrum using spectrometer.

Note -
Subject teacher may add other project based on the syllabus and as per the facilities available in the school.

Proposed distribution of marks:-

 

1. Experiment

15 Marks

2. Viva voce

3 Marks

3. Record

3 Marks

4. Project

4 Marks

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