Labels: text | plaque | screenshot OCR: GEIGER COUNTER The Geiger counter ( also known as the Geiger- Muller tube ] is an instrument that detects radiation, it is a form of ionization counter. The detector within consists of a gas-filled tube consisting of two electrodes, through which are passed large voltages. One of these electrodes is actually the tube, while the other is a fine wire inside. when either radiation or a charged particle enters the detector it ionises the gas. MORE ...
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