Go Back
Physics 12 Physics 12
CHAPTER I: CIRCULAR MOTION
- Angular displacement
- Angular velocity and angular acceleration
- Relation between linear velocity and angular velocity
- Uniform circular motion
- Radial acceleration
- Centripetal and centrifugal forces
- Banking of roads
- Vertical circular motion due to earth’s gravitation
- Equation for velocity and energy at different positions of vertical circular motion
- Kinematical equations for circular motion in analogy with linear motion
CHAPTER II: GRAVITATION
- Newton’s law of gravitation
- Projection of satellite
- Periodic time
- Binding energy
- Weightlessness condition in orbit
- Variation of ‘g’ due to altitude
- lattitude
- depth and motion
- Communication satellite and its uses
CHAPTER III: ROTATIONAL MOTION
- Definition of M.I
- K.E. of rotating body
- Rolling motion
- Physical significance of M.I
- M.I. of some regular shaped bodies about specific axes
- Angular momentum and its conservation
CHAPTER IV: OSCILLATIONS
- Explanation of periodic motion
- Differential equation of linear S.H.M. Projection of U.C.M. on any diameter
- K.E. and P.E. in S.H.M
- Composition of two S.H.M.’s having same period and along same line
- Simple pendulum
- Damped S.H.M
CHAPTER V: ELASTICITY
- General explanation of elastic property
- Plasticity
- Deformation
- Definition of stress and strain
- Hooke’s law
- Poisson’s ratio
- Elastic energy
- Elastic constants and their relation
- Determination of ‘Y’
- Behaviour of metal wire under increasing load
- Applications of elastic behaviour of materials
CHAPTER VI: SURFACE TENSION
- Surface tension on the basis of molecular theory
- Angle of contact
- Capillarity and capillary action
- Effect of impurity and temperature on surface tension
CHAPTER VII: WAVE MOTION
- Simple harmonic progressive waves
- Reflection of transverse and longitudinal waves
- Change of phase
- Superposition of waves
- Formation of beats
- Doppler effect in sound
CHAPTER VIII: STATIONARY WAVES
- Study of vibrations in a finite medium
- Formation of stationary waves on string
- Study of vibrations of air columns
- Free and Forced vibrations, Resonance
CHAPTER IX: KINETIC THEORY OF GASES AND RADIATION
- Concept of an ideal gas
- Mean free path
- Derivation for pressure of a gas
- Degrees of freedom
- Derivation of Boyle’s law
- Thermodynamics- Thermal equilibrium and definition of temperature
- 1st law of thermodynamics
- Heat engines and refrigerators
- Qualitative idea of black body radiation,Wein’s displacement law
- Green house effect
- Stefan’s law
- Maxwell distribution
- Law of equipartition of energy and application to Specific heat capacities of gases
CHAPTER X: WAVE THEORY OF LIGHT
- Wave theory of light
- Construction of plane and spherical wave front
- Wave front and wave normal
- Reflection at plane surface
- Refraction at plane surface
- Doppler effect in light
CHAPTER XI: INTERFERENCE AND DIFFRACTION
- Interference of light
- Conditions for producing steady interference pattern
- Young’s experiment
- Analytical treatment of interference bands
- Measurement of wavelength by biprism experiment
- Diffraction due to single slit
- Rayleigh’s criterion
- Resolving power of a microscope and telescope
- Difference between interference and diffraction
CHAPTER XII: ELECTROSTATICS
- Gauss’ theorem proof and applications
- Mechanical force on unit area of a charged conductor
- Energy density of a medium
- Dielectrics and electric polarisation
- Concept of condenser
- Capacity of parallel plate condenser
- Effect of dielectric on capacity
- Energy of charged condenser
- Condensers in series and parallel
- van-deGraaff generator
CHAPTER XIII: CURRENT ELECTRICITY
CHAPTER XIV: MAGNETIC EFFECTS OF ELECTRIC CURRENT
- Moving coil galvanometer
- Ammeter
- Voltmeter
- Sensitivity of moving coil galvanometer
- Cyclotron
CHAPTER XV: MAGNETISM
- Circular current loop as a magnetic dipole
- Magnetic dipole moment of revolving electron
- Magnetisation and magnetic intensity
- Diamagnetism
- Paramagnetism
- Ferromagnetism on the basis of domain theory
- Curie temperature
CHAPTER XVI: ELECTROMAGNETIC INDUCTIONS
- Laws of electromagnetic induction
- proof of e = – dØ/ dt Eddy currents
- Self induction and mutual induction
- Need for displacement current
- Coil rotating in uniform magnetic induction
- Alternating currents
- Reactance and impedance
- LC oscillations (qualitative treatment only) Power in a.c circuit with resistance
- inductance and capacitance
- Resonant circuit
CHAPTER XVII: ELECTRONS AND PHOTONS
CHAPTER XVIII: ATOMS, MOLECULES AND NUCLEI
- Alpha particle scattering experiment
- Composition and size of nucleus
- Radioactivity
- Decay law
- massenergy relation
- mass defect
- B.E. per nucleon and its variation with mass number
- de Broglie hypothesis
- Matter waves – wave nature of particles
- Wavelength of an electron
- Davisson and Germer experiment
- Continuous and characteristics X-rays
CHAPTER XIX: SEMICONDUCTORS
- Energy bands in solids
- Intrinsic and extrinsic semiconductors
- P-type and Ntype semiconductor
- Transistor action and its characteristics
- Transistor as an amplifier (CE mode)
- Transistor as a switch
- Oscillators and Logic gates (OR, AND, NOT, NAND, NOR)
CHAPTER XX: COMMUNICATION SYSTEMS
- Elements of communication system
- bandwidth of signals
- bandwidth of transmission medium
- Need for modulation
- Production and detection of an amplitude modulated wave
- space communication
- Propagation of electromagnetic waves in atmosphere
BETA
