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Nuclear Fission:
Splitting the Atom You know that atoms are made up of a nucleus and electrons moving around the nucleus, and the nucleus is made up of protons and neutrons. The principal actor in the fission drama is the uranium atom. The nucleus of the Uranium 238 atom has 92 protons and 146 neutrons. About one atom in 140 atoms of uranium has 143 neutrons in its nucleus. lt is called Uranium 235. It is the Uranium 235 that is mostly used to provide fuel for nuclear furneces. Before the Second World War, two German scientists discovered that if neutrons were shot at the nuclei of Uranium 235, the nuclei split into two and produced other neutrons to repeat the process. This is called nuclear fission.
Soil Textural Classes On the basis of the proportion of different soil separates present, the soils are classified into different groups called as soil classes. The soil class
Physical universe: The universe is vast. The Earth we live on appears to be just a speck of dust circling a small star in a remote corner of an obscure galaxy. If we are a s
Use of Fire Extinguishers : We know that one type of fire extinguisher cannot serve the purpose on all kinds of fire. In this subsection you will study about the use of different
What is the upper surface of the saturated zone of groundwater called: The Water Table
Most of the plasma is composed of?
The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is tetraethylthiuram disulfide, C10H20N2S4 (fw = 296.54). The sulfur in a 0.4329 g. sample o
Metamorphic rocks Igneous and sedimentary rocks that have been altered from their previous condition through the combined action of heat and pressure below Earth's surface are
Question: a) Describe wet bulb thermometer and wet bulb temperature. b) What happens to the volume of a rising parcel of air and of a sinking parcel of air? c) What do yo
Describe the structure of the stomach. How is it modified to carry out its functions? How does It compare to that of the fetal pig?
Define Nutrition To common man, the word 'Nutrition' implies food. Food is essential for growth and development. Physiology becomes an interlink between nutrition and healthy h
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