Physics 12 Physics 12

UNIT II: Electrostatic Potential and Capacitance
  • Electrostatic potential
  • potential due to a point charge
  • potential due to a dipole
  • potential due to a system of charges
  • electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field
UNIT IV: Moving Charges and Magnetism
  • Magnetic force
  • motion in a magnetic field
  • magnetic field due to current
  • magnetic field due to a straight current carrying conductor
  • force on a moving charge in a magnetic field
  • magnetic field due to a solenoid
  • experienced by a current loop in a magnetic field
  • moving coil galvanometer
  • the principle and working of a cyclotron
UNIT V: Magnetism and Matter
  • magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis
  • on a magnetic dipole (bar magnet) in a uniform magnetic field
  • Earth’s magnetic field and magnetic elements
UNIT VII: Alternating Current
  • AC voltage applied to a resistor
  • representation of AC current and voltage by rotating vectors - phasors
  • AC voltage applied to an inductor
  • AC voltage applied to a capacitor
  • LC oscillations
UNIT VIII: Electromagnetic Waves
  • electromagnetic spectrum
  • elementary facts about Hertz experiment
UNIT IX: Ray Optics and Optical Instruments
  • Ray optics and optical instruments
  • refraction of light
  • optical fibres
  • refraction at spherical surfaces
  • lenses
  • lens formula
  • power of a lens
  • microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers
UNIT X: Wave Optics
  • Wavefront and Huygens’ principle
  • reflection and refraction of plane wave at a plane surface using wavefronts
  • proof of laws of reflection and refraction using Huygens’ principle
  • resolving power of microscopes and astronomical telescopes
  • polarisation
  • plane polarised light
  • uses of plane polarised light and Polaroids