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Nuclear Radiation Detectors

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Nuclear Radiation Detectors

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    1. Nuclear Radiation Detectors Unit B.8

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    3. Contains Argon gas that is ionized when nuclear radiation enters the tube. Ionized gas conducts an electric current. Electrical signal (counts per minute) is generated as the ions and components of radiation pass through tube.

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    5. Contains solid substances whose atoms emit light when excited by ionizing radiation. Flashes of light are detected electronically. Contains a sodium iodide detector that emits light when ionizing radiation strikes it.

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    8. Solid State Detectors Monitor changes in movement of electrons through silicon based semiconductors while being exposed to ionizing radiation. Used in research laboratories.

    9. Cloud Chamber Container filled with air saturated with water or another vapor. Unstable condition (supersaturated air) When radioactive source is added Radiation ionizes gas molecules in the vapor as the radiation passes through the chamber Vapor condenses to liquid on the ions that formed leaving a white trail. Revealing the path of particle or ray

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