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Different forms of energy, conventional and non-conventional sources of energy: fossil fuels, solar energy; biogas; wind, water and tidal energy; nuclear energy. Renewable versus non-renewable sources.
Refraction of light by spherical lens, Image formed by spherical lenses, Lens formula (Derivation not required), Magnification. Power of a lens.
Reflection of light at curved surfaces, Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.
The human eye
Power of accommodation
Why do we have two eyes
Defects of vision and its correction: myopia
Defects of vision and its correction: Hypermetropia
Defects of vision and its correction: Presbyopia
Defects of vision and its correction: Astigmatism
Refraction of light through prism
Dispersion of white light through glass prism
Atmospheric refraction
Scattering of light
Magnetic field and field lines
Magnetic field due to current carrying conductors
Force on current carrying conductor in electric field
Electric motor
Electromagnetic induction
Domestic electric circuits