Describe the sources of internal and external finance for a selected organization Essay

Explain precisely what is meant by the term holding energy for a nucleus......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... (ii)Sketch on the responsable a chart of the normal binding energy per nucleon against nucleon number A, giving approximate values with the scale to each axis.

(b)Use the graph to describe why energy is released when a ungeladenes nukleon collides which has a U center causing transmutation. (2)

(c)Neutrons are produced when elemental fission occurs in U. Some of these neutrons induce further more fission, others are soaked up without even more fission and more escape through the surface in the material. The standard number of neutrons released per fission can be 2 . 5, of which at least one must create further fission if a string reaction shall be sustained.

Explain how a sequence reaction can occur only if the piece of uranium has a particular minimum mass (the essential mass)................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. (3)

(Total 10 marks)

2 . Organic uranium contains 99. 3% U and 0. 7% U. In many nuclear reactors, the energy consists of rampacked uranium encapsulated in sealed metal storage containers. (a)(i)Explain precisely what is meant simply by enriched uranium.

...................................................................................................................................................................................................................................................... (ii)Why is usually enriched uranium rather than organic uranium found in many elemental reactors?...................................................................................................................................................................................................................................................... (2)

(b)(i)By with the neutrons involved in the fission procedure, explain how the rate of production of warmth in a nuclear reactor is controlled................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... (ii)Explain why each of the fuel within a nuclear reactor is not placed in a single fuel rod..........................................................................................................................................................................................................................................................

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