animation on zone refining

This method is used for obtaining ultra pure metals like germanium, silicon and galliu..

Nuclear Fission and Fusion..

Boolean Algebra..

Zone Refining - This method is used for obtaining ultra pure metals like germanium, silicon and galliu..

A molten metal when gradually cooled, crystallizes into ultra pure metal. The impurities continue to be in the molten state and flow away from the crystallized metal. Zone Refining..

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Biome is a large, regional or sub continental biosystem characterized by a major vegetation type or other distinct landscape characters such as tropical deciduous forest, tundra biome, etc. "The major terrestrial ecosystems (largest ecological units) of distinctive terrestrial areas with their clim..

Plants and animals show a range of tolerance to environmental factors. The factor, which is present in least amount may become limiting. For example water availability limits plant growth in deserts. But, not only too little of something is a limiting factor, even too much may be the lim..

The electromagnetic spectrum of solar radiation Animals depend on light for orientation, diurnal migration and synchrony of rhythmic activities. Hence receptors for light are common to all animals, in those with better developed photoreceptors, light greatly influences behavior...

Earth is the only planet on which life exists. It consists of three components Lithosphere (Land), Hydrosphere (Water) and Atmosphere (Air). Life originated and evolved because of this unique combination of the three components and was ideal and favourable for life. The life supporting zon..