Please enable JavaScript.

Coggle requires JavaScript to display documents.

Physics (Class 12 (Part 1 (Electrostatic potencial and capacitance…

- - - - electric charge
      - conductors and insulators
      - Charging by induction
      - Basic prop of charges
        
        add of charges
        
        charge is conserved
        
        quantisation of charges
      - coulombs law
      - Forces between multiple cahrges
      - Electric field
        
        electric field due to system of charges
        
        physical significance of electric field
      - electric field lines
      - electric flux
      - electric dipole
        
        field of an electric dipole
        
        for points on the axis
        
        for points on the equitorial plane
        
        Physical significance of dipole
      - dipele in uniform external field
      - continuous charge distribution
      - gauss's law
      - app of gauss's law
        
        field due to infinite long straight charged wire
        
        field due to uniformely charged infinite plane sheet
        
        field due to a uniformely charged thin spherical shell
        
        field inside the shell
        
        field out side the shell
    - - Electrostatic potencial
      - Potential due to point charge
      - Potencial due to dipole
      - Potential due to system of charges
      - Equipotencial surfaces
        
        Relation between field and potential
      - Potential energy of system of charges
      - Potencial energy in an external field
        
        Potential energy of a single charge
        
        Potential energy of system of two charges in external field
        
        Potential energy of dipole in an external field
      - Electrostatics of conductors.
        
        Inside a conductor the ef is zero
        
        surface of charged conductor, ef is normal to surface at every point.
        
        interior of conductor can hav no excess charge in static situation
        
        potential in constant throughout th volume and has same value as inside onthe surface
        
        electric field at the surface of a charged conductor
        
        electrostatic shielding
      - Dielectrics and polarization
      - Capacitance and capacitors
      - parallel plate capacitor
      - effect of dielectric on capacitance
      - combination of capacitors
        
        In series
        
        In parallel
      - energy stored in a capacitor
      - van de graaff generator
    - - Electric current
      - Electric current in conductors
      - Ohm's Law"
      - Drift of electrons and the origin of resistivity
        
        Mobility
      - Limitations of ohms law
      - Resistivity of various materials
      - Temperature dependence of resistivity
      - Electrical energy, power
      - combination of resistors
        
        Series
        
        Parallel
      - Cells, emf, internal resistance
      - Cells in series and in parallel
      - Kirchhoff's Rules
      - Wheatstone Bridge
      - meter bridge
      - Potentiometer
    - - Magnetic force
        
        sources and fields
        
        Magnetic field and lorentz force
        
        magnetic force on a current carrying conductor
        
        JJ
      - Motion in a magnetic field
      - Motion in combined electric and magnetic fields
        
        velocity selector
        
        cyclotron
      - Magnetic field due to a current element Biot-Savart law
      - Magnetic field on the axis of a circular current loop
      - Ampere's circuital law
      - Solenoid and toroid
      - Force between two paralel curremts, the amper
      - torque on current loop, magnetic dipole
        
        Torque on a rectangular current loop in uniform mf
        
        Circular current loop as a magnetic dipole
        
        magnetic dipole moment of a revolving electron
      - Moving coil galvanometer
    - - Bar magnet
        
        Magnetic Field lines
        
        bar magnet as an equivalent solenoid
        
        dipole in a uniform magnetic field
        
        Electrostatic analog
      - Magnetism and gauss's law
      - Earth's magnetism
        
        magnetic declination and dip
      - magnetisation and intensity
      - Magnetic properties of materials
        
        Diamagnetic
        
        Paramagnetic
        
        Ferroagnetic
      - Permanent magnets and electromagnets
    - - Experiments of faraday and Henry
      - Magnetic flux
      - Faraday's law of induction
      - Lenz's law of conservation
      - Motional electromotive force
      - Energy consideration
      - Eddy currents
      - Inductance
        
        Mutual inductance
        
        Self inductance
      - AC generator
    - - AC voltage applied to a resistor
      - Phasors
      - AC voltage applied to an Inductor
      - AC voltage applied to a capacitor
      - AC voltage applied to a series LCR circuit
      - Resonance
        
        Sharpness of resonance
      - Power in AC circuit: Power factor
      - LC oscillations
      - Transformers
    - - Displacement current
      - Electromagneticwaves
        
        Sources
        
        nature
      - Electromagnetic spectrum
        
        radio waves
        
        Microwaves
        
        Infrared waves
        
        visible rays
        
        Visible rays
        
        UV rays
        
        X rays
        
        Gamma rays
  - - - Reflection of light by spherical mirors
        
        Sign convention
        
        Focal lenght
        
        Mirror equation
        
        mirror equation
      - Refraction
      - Total internal reflection
        
        Examples found in nature
      - Refraction at spherical surfaces and by lens
        
        Refraction at a spherical surfce
        
        Refraction by a lens
        
        Power of lens
        
        combination of thin lens in contact
      - refraction through prism
      - Dispersion by a prism
      - Some natural phenomena due to sunlight
        
        Rainbow
        
        Scattering of light
      - Optical instruments
        
        Eye
        
        microscope
        
        telescope
    - - Huygens principle
      - Refraction and reflectionof plane waves using huygens principle
        
        Refractionof plane wave
        
        Refraction at a rare medium
        
        reflection of a plane wave by a plane surface
        
        Doppler effects
      - Coherant and incoherant addition of waves
      - Interference of light waves and youngs experiment
      - Diffraction
        
        Single slit
        
        seeing the single slit diffraction pattern
        
        Resolving power of optical instruments
        
        validity of ray optics
      - Polarisation
        
        Polarisation by scatterring
        
        Polarisation by reflection
    - - Electron emission
      - Photoelectric effect
        
        hertz obs
        
        hallwachs and lenard's observation
      - Experimental study of photoelectric current
        
        Effect of intensity of light on photocurrent
        
        effect of potencial on photoelectric current
        
        effect of frequency of incident radiation on stopping potencial
      - Photoelectric effect and wave theory of light
      - einstein equation
      - particle nature of light
      - Wave nature of matter
      - Davission and germer experiment
    - - alpha particle scattering
        
        alpha particle trajectory
        
        electron orbits
      - Atomic spectra
        
        `Spectral series
      - Bohr model of hydrogen atom
        
        Energy levels
      - Line spectra of hydrogen atom
      - De broglie explanation of bohr's second postulate
    - - Atomic masses and composition
      - size of nucleus
      - Mass energy and nuclear binding
      - nuclear force
      - Radioactivity
        
        Law of radioactivity
        
        Alpha decay
        
        beta decay
        
        Gamma decay
      - Nuclear energy
        
        Fission
        
        Nuclear reactor
        
        Nuclear fission in stars
        
        Controlled thermonuclear fusion
    - - Classification of metals,sonductors and semi conductors
        
        Conductvity
        
        Energy bands
      - Intrinsic semiconductor
      - Extrinsic semiconductor
        
        N type
        
        p type
      - P-n junction
        
        Formation
      - Semiconductor diode
        
        pn diode under forward bias
        
        pn junction under reverse bias
      - Application of junction diode as rectifier
      - special purpose pn junction diodes
        
        zener diode
        
        optoelectronic junstion devices
        
        photodiode
        
        LED
        
        Solar cell
      - Junction transistor
        
        transistor structure and action
        
        basic transistor circuit config
        
        Transistor as a device
        
        transistor as a switch
        
        transistor as an amplifer
        
        transistor as an amplifier
        
        feedback amplifier and transistor oscillator
      - Digital electronics and logic gates
        
        Logic gates
        
        NOT
        
        OR
        
        AND
      - Integrated circuits
    - - Elements of communication
      - Basic terminology
      - Bandwidth of signals
      - Bandwidth of transmission medium|
      - propagation of em waves
        
        ground wave
        
        Sky wave
        
        Space wave
      - Modulation and its necessity
        
        size of antenna
        
        effective power radiated by an antenna
        
        mixing up f signals from different transmitters
      - Amplitude modulation
      - Production of amplitude modulated wave
      - Detection of amplitude modulated wave
- - - - Forces in nature
    - - SI system of units
      - Measurement of lenght
      - Measure large distance
      - Estimating very small
      - Accuracy and precision
      - errors
        
        Least count error
        
        absolute
        
        relative
        
        percentage
        
        Combination of errors
      - Significant figures
      - Dimensional analysis
    - - Average velocity and speed
      - Instantaneous velocity and speed
      - Acceleration
      - Kinematics equation
      - Relative velocity
      - Basics of calculas
    - - Vectors
      - Position vector and disp/
      - Velocity in graph
      - MOP in constant acceleration
      - Relative velocity in 2d
      - Projectile motion
      - Uniform circular motion
    - - Law of inertia
      - Newtons first law
      - Second law of motion
        
        momentum
        
        Impulse
      - Third law of motion
      - conservation of momentum
      - equilibrium of particle
      - Common forces in mechanics
        
        friction
        
        Rolling friction
        
        R
      - Circular motion
      - Solving problem in mechanics
    - - Scalar products
      - Work energy theorem
      - Work
      - Kinetic energy
      - Work done by a variable force
      - Work energy theorem for a variable force
      - Potencial energy
      - Conservation of mechanical energy
      - PE of a spring
      - Various energy
        
        Heat
        
        Chem energy
        
        electrical energy
        
        Einstein equation
        
        nuclear energy
        
        Conservation of energy
      - Power
      - Collisions
        
        elastic/inelastic
    - - Motion of regid body
      - Centre of mass
      - Motion of centre of mass
      - linear momentum of system of particles
      - Vector Product
      - angular velocity
        
        angular acceleration
      - Torque and angular momentum
        
        Moment of force
        
        angular momentum of particle
      - equilibrium of a regid body
        
        principle of moments
        
        centre of gravity
        
        centre of gravity
      - moment of inertia
      - theorem of perpendicular and parallel axises
      - kinematics of RM about a fixed axis
      - Dynamics of rotation motion about a fixed axis
      - angular momentum in case of rotation about a fixed axis
        
        conservation of angular momentul
      - rolling motion
    - - Keplers laws
      - Universal law of gravity
      - Gravitaional constant
      - Acceleration due to gravity of the earth
      - acceleration due to g down or above earth
      - Gravitational potencial energy
      - escape speed
      - earths satelites
      - energy or orbiting satellite
      - geostationary and polar sattelites
      - weightlessness
  - - - Elastic behaviour of solids
      - Stress and strain
      - hooke's law
      - stress and strain curve
      - elastic moduli
        
        youngs modulas
        
        youngs modulas of a wire
        
        bulk modulas
      - app of elastic behaviour
    - - Pressure
        
        pascal's law
        
        variation of pressure with depth
        
        atm pressure
        
        hydraulic machines
      - streamline flow
      - bernouslis principle
        
        speed of efflux
        
        venturi meter
        
        blood flow and heart attack
        
        dynamic lift
      - Viscosity
        
        Stoke's law
      - Reynolds nos
      - surface tension
        
        surface energy
        
        surface tension
        
        angle of contact
        
        drops and bubbles
        
        capillary rise
        
        detergents and surface tension
    - - Temp and heat
      - measurement of temp
      - ideal gas equation and absolute temp
      - thermal expansion
      - specific heat capacity
      - calorimeter
      - change of state
        
        latent heat
      - heat transfer
        
        conduction
        
        convection
        
        radiation
      - newtons laws of cooling
    - - Thermal equilibrium
      - zeroth law of thermdynamics
      - heat, internal energy and work
      - First law of thermodyamics
        
        specific heat capacity
      - `thermodynamic state variable and eqn of state
      - thermodynamic procseses
        
        quasi-static
        
        isothermal
        
        adiabatic process
        
        isochoric
        
        isobaric
        
        cyclic process
      - heat engines
      - refrigeratorsand heat pumps
      - second law of thermodynamics
      - reversible and irreversible processes
      - carnot engine
    - - molecular nature of matter
      - behaviour of gases
      - kinetic theory of ideal gas
        
        pressure of ideal gas
        
        kinetic interpretation of temperature
      - lawof equipartition of energy
      - specific heat capacity
        
        monoatomic gases
        
        diatomic gases
        
        polyatomic gases
        
        specific heat capacity of gases
      - mean free path
    - - periodic and oscillatory motion
        
        period and frequency
        
        displacement
      - simple harmonic motion
      - uniformcircular motion
      - velocity and acceleration
      - force law for simple harmonic motion
      - energy in shm motion
      - systems executing simple harmonic motion
        
        oscillation -spring
        
        pendulam
      - damped shm
      - Forced oscillations and resonance
    - - transverse and longitudanal waves
      - displacement relation in a progressive waves
        
        amplitude and phase
        
        wavelenght and angular wave nos
        
        period,angular frequency
      - speed of travelling wave
        
        speed of wave on stretched string
        
        speed of longitudinal wave
      - Principle of super position
      - reflection of waves
        
        standing waves and normal waves
      - beats
      - doppler effect
        
        source moving;observer stationary
        
        observer moving;source stationary
        
        both source and observer