Gamma Rays

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Gamma Rays

-Gamma Rays are very short wavelength EM waves
-In a way gamma rays are the opposite of alpha particles - they have no mass, they're just energy in the form of an EM wave
-They penetrate a long way into materials without being stopped
-This means that they are weakly ionising because they tend to pass through rather than collide with atoms, but eventually they hit something and do damage
-Gamma rays have no charge so they're not deflected by electric or magnetic fields  

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