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Gamma Ray Penetration Of Lead The amount of radiation that occurs to the matter depends on two things: what radiation is used. what material is used for absorption. There are three types of radiation; they are Alpha, Beta and Gamma. Gamma radiation has two types of radiation, nuclear which is dangerous and electromagnetic which is not dangerous. Gamma rays are the opposite of alpha particles in a way. They penetrate a long way into materials …

…of being limited. Also I think some radiation would have been able to get round the lead shielding, this would have made the results change. I think this experiment went the way I had hoped, I managed to get all the results that I needed. If I had done the experiment again I think that I would have timed it for longer so that I could have a lager rage of result to choose from.