P2.5 3.0 / 5 based on 1 rating ? PhysicsGCSEAQA Created by: Phoebe TaylorCreated on: 07-05-13 19:28 When did the Rutherford Scattering Experiment take place? 1909 1 of 14 In this experiment, what particles were used? Alpha 2 of 14 Why did some of these particles deflect? They repelled the core of the gold atoms 3 of 14 Why did some of these particles bounce off? The core of the gold atoms is dense 4 of 14 What percentage light speed do beta particles travel at? 50% 5 of 14 When do isotopes emit radiation? When they decay 6 of 14 What measures radiation? Geiger Muller Tube 7 of 14 What percentage of background radiation is by natural sources? 90% 8 of 14 What gas can be given off by some rocks and soil? Radon 9 of 14 People living in what location are more likely to get higher levels of background radiation? High altitude 10 of 14 If a cell gets damaged by radiation, what happens? They multiply into a tumour 11 of 14 What is the most dangerous particle once it's inside your body? Alpha 12 of 14 What absorbs radiation? Lead 13 of 14 Half life is the time the amount of what halves? Nuclei 14 of 14
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