Articles
Junior science refresher
Buy and subsribe here Junior science refresher published this article page no 26 nuclear energy has emerged as a viable source in recent times. important minerals used for the generation of nuclear energy are uranium and thorium. uranium deposits occur in the dharwar rocks. geographically uranium ores are known to occur in several locations along the singbhum copper belt. it is also found in udaipur alwar and jhunjhunu districts of rajasthan durg district of chhattisgarh bhandara district of maharashtra and kullu district of himachal pradesh. thorium is mainly obtained from monazite a...
Junior science refresher
Buy and subsribe here Junior science refresher published this article page no 27 worlds richest monazite deposits occur in palakkad and kollam districts of kerala near vishakhapatnam in andhra pradesh and mahanadi river delta in odisha. atomic energy commission was established in 1948 progress could be made only after the establishment of the atomic energy institute at trombay in 1954 which was renamed as the bhabha atomic research centre in 1967. the important nuclear power projects are tarapur maharashtra rawatbhata near kota rajasthan kalpakkam tamil nadu narora uttar pradesh kaiga...
Junior science refresher
Buy and subsribe here Junior science refresher published this article page no 28 sun rays tapped in photovoltaic cells can be converted into energy known as solar energy. the two effective processes considered to be very effective to tap solar energy are photovoltaics and solar thermal technology. solar thermal technology has some relative advantages over all other non-renewable energy sources. it is cost competitive environment friendly and easy to construct. solar energy is 7 per cent more effective than coal or oil based plants and 10 per cent more effective than nuclear plants. it...
Junior science refresher
Buy and subsribe here Junior science refresher published this article page no 29 wind energy is absolutely pollution free inexhaustible source of energy. the mechanism of energy conversion from blowing wind is simple. the kinetic energy of wind through turbines is converted into electrical energy. the permanent wind systems such the trade winds westerlies and seasonal wind like monsoon have been used as source of energy. besides these local winds land and sea breezes can also be used to produce electricity. india already has started generating wind energy. it has an ambitious programm...
Junior science refresher
Buy and subsribe here Junior science refresher published this article page no 30 the ministry of non-conventional sources of energy is developing wind energy in india to lessen the burden of oil import bill. the countrys potential of wind power generation exceeds 50000 megawatts of which one fourth can be easily harnessed. in rajasthan gujarat maharashtra and karnataka favourable conditions for wind energy exist. tidal and wave energy ocean currents are the store-house of infinite energy. since the beginning of seventeenth and eighteenth century persistent efforts were made to create ...