Ultrasoft radiation is a term used to describe high-energy
Ultrasoft radiation is not able to cross 5 g/cm-2 of brass [http://www.isao.bo.cnr.it/~climstor/michele/cr/cr.html]
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Hard radiation — is a term used to describe high energy electromagnetic radiation, typically high energy X rays or gamma rays. The term refers to the ability of the rays to penetrate a given thickness of material, typically a lead shield.Hard radiation is able to … Wikipedia
Soft radiation — is a term used to describe high energy electromagnetic radiation, typically high energy X rays or gamma rays. The term refers to the ability of the rays to penetrate a given thickness of material, typically a lead shield.Soft radiation is able to … Wikipedia
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