Uses of Radiation 0.0 / 5 ? PhysicsRadioactivityGCSEAQA Created by: asho glenoCreated on: 10-04-15 11:59 Smoke Detectors usually contain a... small radioactive source 1 of 10 This emits a stream of... highly ionising alpha particles 2 of 10 An electronic detector attracts the ions and... and measures how many are being produced by detecting them as a current 3 of 10 It absorbs many of the ions and this... reduces the ionisation current 4 of 10 If the drop is large, due to thick smoke for e.g.... the siren sounds 5 of 10 Certain radioactive isotopes can be inserted into our... bodies 6 of 10 Unfortunately, the cel's DNA is damaged but remainsable to... reproduce itself in it's modified form which could become malignant and turn into cancer 7 of 10 Damage is doen because the radiation creates... ions withing the atoms of the tissue 8 of 10 Food can be exposed to a high dose of... gamma rays which will kill all microbes, keeping the food fresh for longer 9 of 10 Irradiation involves things to be sterilised without... damaging the object itself 10 of 10
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