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U20 ASSIGNMENT 1 (TASK 1) P1
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THIS IS TASK 1 OF UNIT 20 MEDICAL PHYSICS TECHNIQUES (RADIOGRAPHY), SO THIS IS PART ONE OF PASS TASK (P1) LEAFLET/ REPORT.
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Atomic Structure and the Nature, Properties and IndustrialApplications of Radiation (Beta, Alpha and Gamma).
Radioactive- Process by which an unstable atomic nucleus loses energy as they
decay by radiation. So, a material containing unstable nuclei is considered
radioactive. The radiation, including alpha particles, nucleons, electrons and
gamma rays are emitted by a radioactive substance.
Half-life- Time taken for half of the unstable nuclei in a sample to decay
or for the activity of the sample to halve.
NON-RADIOACTIVE ISOTOPE
The carbon with the mass number of 12 is a non radioactive isotope (normal
atom of carbon). The number of protons and electrons that carbon contains are
6 protons and electrons. The neutrons in carbon are 6 in total, according to the
mass number. The half-life of non-radioactive carbon is stable. Also, the atomic
number is 6, which is the same number of protons that carbon contains.
RADIOACTIVE ISOTOPE
The carbon with the mass number of 14, is a radioactive isotope. Where the
atomic nucleus contains 6 protons/ electrons and 8 neutrons. It’s presence in
organic materials is the basic of the radio carbon dating method. The imbalance
makes carbon 14 of a radioscope with a half-life of 5,730 years and an emitter of
beta particles. Also, the atomic number is 6 which is equal to the number of
protons, as well.
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