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The large amount of energy is released from various nuclear fission processes. This release of energy can be occurred in two ways: 1. In a controlled manner 2. In an uncontrolled manner. UNCONTROLLED RELEASE OF FISSION ENERGY: In this method the sub critical amount of a fissionable material is suddenly ...

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These are the materials which are used to slow down the speed of fast moving neutrons in a nuclear fission process. It is observed that the fast moving neutrons are not captured by the nuclei of U235 and as a result no fission of U235 ...

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CRITICAL SIZE: The actual size of material which allows the escape of neutrons to such an extent that at least one neutron is positively left behind per fission reaction is known as critical size. CRITICAL MASS: The mass corresponding to the critical size per fission reaction ...

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A chain reaction is also called nuclear fission chain reaction. A chain reaction is a reaction which is a combination of continuous nuclear fission reactions because the nuclear reaction resulting from the capture of a neutron is accompanied by emission of one or more neutrons. ...

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The process of breaking up the heavier nucleus into two or more smaller nucleus having approx. same mass is called nuclear fission. There exists a mass defect during nuclear fission process. The total mass of products of fission is always less than the reactants of ...

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The energy released in the formation of a nucleus from its constituent nucleons is called the binding energy of the nucleus. This is the energy which is required to break up the nucleus into its constituent nucleons. The mean binding energy per nucleon is the ...

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The difference between sum of masses of protons, neutrons, electrons and actual isotopic mass of an element is called mass defect. This mass defect occurs due to the transformation of some mass into enegy. The transformation follows the Einstein mass energy equivalence equation. E = mc2

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The ratio of mass per unit volume is called density. The ratio of mass per unit volume inside the nucleus is called nuclear density. As we know, the nucleus is spherical in shape so its volume must be very small as its radius is of ...

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