Physics

This chapter explains topics such as, contribution of science and technology in different fields, etc.

This chapter explains topics such as, force, pressure, atmospheric pressure, density and relative density, etc.

This chapter explains topics such as, refraction of light, refraction of light by prism, lens, optical instruments, etc.

This chapter explains topics such as, electric current and its sources, potential difference and resistance, ohm's law, effects of electric current, etc.

This chapter explains topics such as, magnet and its types, properties of magnet, maintenance of a magnet and its uses, magnetic effect and magnetic lines of forces, etc.

This chapter explains topics such as, sources of energy, devices based on solar energy, wind energy, water energy, etc.

This chapter explains topics such as, flowchart and algorithm, networking, internet, e-mail, etc.