Next Episode: half-life calculations

We’ve examined the operation of a Geiger-Müller counter as part of the radiation topic. image by Theresa Knott The Geiger-Müller (GM) counter is used to detect ionising radiation such as alpha and beta particles or gamma rays.  The radiation enters through a very thin window at one end of the tube.  This window is usually made ... Read more the geiger-muller tube