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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.
The Fire Triangle Generally, a fire needs three things to burn: Fuel - something to bum, e.g.oi1. Oxygen - to maintain combustion. Ignition - something to start
State about the Lateritic soils Lateritic soils formed at high levels have a pale red colour, have high gravel content and are poor in all fertility constituents. Those forme
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
Explain Lipid Metabolism I ? You learnt earlier in Unit 5 that the lipids are absorbed through the intestine. As these molecules are oils, solubilization (emulsification) of di
water at 20 degree cellsuis is flowing a rate of 20 L/minute through a 5 cm is internal diameter pipe. the viscosity of water at this temperatures is 0.98c cP. calculate the reynol
which organs are protected by the skull
MMSE To assess Mr. X's orientation, language skills, constructional ability, memory, calculation ability, and reasoning, he was administered the Mini-Mental State Examination -
describe the factors which decide the brad area of scientific activity
To study a hailstone When it hails, collect some of the hailstones. Cut them in half and view how the ice of the hailstone has been built up in layers. If you live in a region
1. DH is admitted with end-stage liver disease and severe ascites requiring paracentesis while in the hospital. He has been started on PN therapy for his poor nutritiona
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