IMPORTANT TOPICS FOR BOARD EXAMS 2020
CLASS - 12TH ( CBSE & RBSE )
PHYSICS - I
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CHAPTER:- 1
ELECTRIC CHARGES AND FIELD
2.Forces between multiple charges electric field due to system of charges.
○ Important TOPICS
1. Coulomb’s Law
3. Electric field lines and its properties.
4. Electric dipole’s electric field on axial and equatorial point
5. Electric dipole in external electric field
6. Gauss’s law and its applications
CHAPTER:-- 2
ELECTRIC POTENTIAL AND CAPACITANCE
○ Important TOPICS
1. Potential due to electric dipole and system of charges
2. Electric potential energy due to electric dipole and system of charges
3. Equipotential surfaces
4. Effect of dielectric on capacitors
5. Combinations of capacitors
6. Energy stored in capacitors
CHAPTER:-- 3
CURRENT ELECTRICITY
○ Important TOPICS
1. Ohm’s Law
2. Limitations of ohm’s law
3. Resistivity of different materials
4. Combination of resistors
5. Combination of cells
6. Kirchhoff’s law
7. Meter bridge
8. Potentiometer
1. Ohm’s Law
2. Limitations of ohm’s law
3. Resistivity of different materials
4. Combination of resistors
5. Combination of cells
6. Kirchhoff’s law
7. Meter bridge
8. Potentiometer
CHAPTER:-- 4
MAGNETIC EFFECT OF CURRENT
○ Important TOPICS
1. Magnetic force on current carrying wire
1. Magnetic force on current carrying wire
2. Motion in a magnetic field
3. Velocity selector
4. Cyclotron
5. Magnetic field on axis of circular current carrying loop
6. Ampere’s circuital law
7. Force between two parallel current carrying wires
8. Torque on current carrying loop in magnetic field
9. Moving coil galvanometer
CHAPTER:-- 5
MAGNETISM AND MATTER
○ Important TOPICS
1. Axial magnetic field of bar magnet as solenoid
1. Axial magnetic field of bar magnet as solenoid
2. Electric dipole in uniform magnetic field
3.Diamagnetic,Paramagnetic,Ferromagnetic Substances
4. Hysteresis Loop
CHAPTER:-- 6
ELECTROMAGNETIC INDUCTION
○ Important TOPICS
1. Magnetic flux
2. Faraday’s law of induction
3. Lens law
4. Motional EMF
5. Self inductance and mutual inductance
1. Magnetic flux
2. Faraday’s law of induction
3. Lens law
4. Motional EMF
5. Self inductance and mutual inductance
CHAPTER:-- 7
ALTERNATING CURRENT
○ Important TOPICS
1. RC, LC, LR and LCR Circuits
1. RC, LC, LR and LCR Circuits
2. LC oscillations
3. Power factor
4. Resonance and Sharpness
5. Transformers
CHAPTER:-- 8
ELECTROMAGNETIC WAVES
○ Important TOPICS
1. Displacement Current
2. EM waves
3. Nature of EM waves
1. Displacement Current
2. EM waves
3. Nature of EM waves
PHYSICS - II
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CHAPTER:-- 9
RAY OPTICS AND OPTICAL INSTRUMENTS
○ Important TOPICS
1. Image formation by spherical mirrors
2. Image formation by spherical lenses
1. Image formation by spherical mirrors
2. Image formation by spherical lenses
3. Total internal reflection
4. Power and combination of lenses
5. Refraction through a Prism
6. Natural phenomenons due to light
7. Eye
8. Telescope
9. Microscope
CHAPTER:-- 10
WAVE OPTICS
○ Important TOPICS
1. Reflection and refraction of plane waves using Huygen principle
2. Incoherent and coherent waves addition
3. Interference and Young’s double slit experiment
4. Diffraction of light
5. Resolving power of optical Instruments
6. Polarisation by scattering
1. Reflection and refraction of plane waves using Huygen principle
2. Incoherent and coherent waves addition
3. Interference and Young’s double slit experiment
4. Diffraction of light
5. Resolving power of optical Instruments
6. Polarisation by scattering
CHAPTER:-- 11
DUAL NATURE OF RADIATION AND MATTER WAVES
○ Important TOPICS
1. Photoelectric effect
1. Photoelectric effect
2. Einstein photoelectric equation
3. de Broglie hypothesis
4. Davisson and Germer experiment
CHAPTER:-- 12
ATOMS
○ Important TOPICS
1. Electron Orbits
2. Atomic spectra
1. Electron Orbits
2. Atomic spectra
3. Bohr Model of Hydrogen atom
4. Line spectra of Hydrogen atom
5. de-Broglie explanation of Bohr’s postulate
CHAPTER:-- 13
NUCLEI
○ Important TOPICS
1. Nuclear binding energy
2. Radioactivity
1. Nuclear binding energy
2. Radioactivity
3. Radioactive decays
CHAPTER:-- 14
SEMICONDUCTOR ELECTRONICS
○ Important TOPICS
1. Intrinsic semiconductors
2. Extrinsic semiconductors
1. Intrinsic semiconductors
2. Extrinsic semiconductors
3. p-n Junction diode
4. p-n Junction in forward bias and reverse bias
5. Junction diode as rectifier
6. Zener diode as voltage regulator
7. n-p-n and p-n-p transistor
8. Transistor as an amplifier
9. Logic gates
CHAPTER:-- 15
COMMUNICATION SYSTEM
○ Important TOPICS
1. Elements of communication system
2. Basic terminologies of electronic communication system
1. Elements of communication system
2. Basic terminologies of electronic communication system
3. Propagation of em waves
4. Amplitude modulation
All the best all students for you exam..
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