Chapter 18- Ionising Radiation and Risk 0.0 / 5 ? PhysicsIonising Radiation and RiskA2/A-levelOCR Created by: ellenros3Created on: 08-05-14 14:25 The number of joules absorbed per kg of tissue GRAYS 1 of 22 A particle with 2 Protons and 2 Nuetrons and 0 electrons ALPHA 2 of 22 Consequence x probability = RISK 3 of 22 The process a Hydrogen atom takes to become a Helium atom FUSION 4 of 22 The missing mass is due to BINDING ENERGY 5 of 22 The most stable element IRON 6 of 22 The 'E' in E=mc^2 ENERGY 7 of 22 Food they eat, the air you breathe are all radiation of what source NATURAL BACKGROUND 8 of 22 The highest quality factor is for which radiation type ALPHA 9 of 22 Uranium breaking into two smaller atoms is called FISSION 10 of 22 Fission releases how many MeVs of energy ZERO POINT NINE 11 of 22 If there is too many chain reactions the atom probably has ____ mass SUPERCRITICAL 12 of 22 The ratio between Volume and surface area increase with.. SIZE 13 of 22 What creates more energy FUSION or FISSION FUSION 14 of 22 Sub-critical mass makes chains DIE OUT 15 of 22 Control Rods in power stations are made from BORON 16 of 22 The reactors biological shield CONTAINMENT BUILDING 17 of 22 To compare Binding Energies look at them PER NUCLEON 18 of 22 The unit of dose equivalent SIEVERT 19 of 22 Change of a proton to a neutron is done by what sort of decay BETA PLUS 20 of 22 Slow or fast nuetrons are more efficiently absorbed by Uranium SLOW 21 of 22 Where is fusion most common STARS 22 of 22
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