ATGE1073 Engineering Science II Tutorial: ATOMIC & NUCLEAR PHYSICS Prepared By NHL 1 Q1. The radioactive nuclide 199Pt has a half life of 30.8 minutes. A sample is prepared that has an initial activity of 7.56x1011Bq. (a) How many 199Pt nuclei are initially present in the sample? (b) How many are present after 30.8minutes? What is the activity at this time? (c) Repeat part (b) for a time 92.4 minutes after the sample is first prepared. (a) 2.02x1015‚ (b) 1.01x1015‚ 3.78x1011Bq‚ (c) 2
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Nuclear energy is needed according to the demands of the energy that creates electricity. Nuclear energy plays an important role in the air pollution because it reduces the carbon dioxide emitted to the air. According to the new research that was done by The Food and Agriculture Organization (FAO) of the United Nations (UN)‚ about the uses of nuclear technology‚ the radioisotopes and radiation used in food and agriculture to reduce these figures that was done 2014-2016 that shows 795 million people
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combustion to nuclear fission and fusion‚ each of which have seemed to pose a different problem. Whether the problematic effect seems to be cost or carbon dioxide emission‚ renewable and nonrenewable resources have both seemed to come with a fair set of cons with their pros. Extensive research on the topic has shown that there seems to be no flawless source of energy extraction‚ however there certainly are sources that are relatively worse than others. This being said‚ nuclear energy‚ from the fusion and fission
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2B and elsewhere‚ assess the view that the nuclear family is no longer the norm. 24 marks The traditional nuclear family is defined as being a family consisting of a heterosexual couple with 2 or more dependent children (own or adopted) with a clear division of labour. Meaning the men are the instrumental role (breadwinner) and the women are the expressive role (domestic and caring/childcare). Over time this has changed and the nuclear family as become less dominant‚ some sociologists
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Fusion in the sun ‚1 second ‚ 600 million tons of hydrogen are being converted into helium‚ this reaction releases tons amounts of heat and energy. The process of fusion in the sun is known as The proton chain. The sun starts with protons and through a series of steps ‚ it turns into helium. When this is happening something called plasma is being formed. Plasma is being ionized. The sun is so hot. Really hot but all of the heat and light coming from the sun comes from the fusion process happening
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A Nuclear Family o A "nuclear" family is two parents of opposite sex and their children. A nuclear family‚ named from the idea of it being the family at the "nucleus" of other family groups‚ consists of a father‚ mother and any number of their children. It is defined by blood relation of the parents and children and the marriage of the parents. Because this term does not include other variations of family units‚ it is becoming antiquated as it is more common to see families that do not fit into
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love and affection is what comes to my mind when one thinks of a joint family. In many Indian homes‚ people still prefer joint families to nuclear families. There are reasons a plenty for this preference but the common reason is stability in family ties. Rinki‚ a homemaker in a joint family‚ feels that bringing up a child is a mammoth task for a parent in a nuclear setup. Creating a secure atmosphere for the child is a concern that leads to a great deal of stress. Security is one aspect that’s beautifully
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Advantages of a nuclear family are: 1.) Stability. A child raised by the same two parents during their maturing years is more likely to have emotional bonding and relationship stability. Children raised by a single parent will likely have a sense of loss for the missing parent and lack the advantage of duel insights‚ emotional support and examples that come from having both a mother and a father. 2.) Legacy. A nuclear family of a husband and wife provides a life long consistancy of purpose
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Disadvantages of Nuclear Power http://wanttoknowit.com/disadvantages-of-nuclear-power/ The Basics of Nuclear Power Nuclear power is generated from a metal called uranium. Uranium is mined in places such as Australia‚ Argentina‚ Canada‚ Brazil‚ China‚ France and many other countries. The uranium is used to create controlled nuclear reactions called nuclear fission. Nuclear fission gives off a tremendous amount of heat which is used to heat water to create steam. This steam turns turbines which
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