Radioactive Emissions (Leaving Cert Physics): Flashcards
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Device that detects radioactivity via ionisation
Device that detects radioactivity via ionisation
Geiger-Müller (GM) tube
Gas used in GM tube
Gas used in GM tube
Argon gas at low pressure
What solid-state detector is built around
What solid-state detector is built around
Reverse-biased p-n junction
How artificial radioactivity is created
How artificial radioactivity is created
Nuclear bombardment with neutrons
Radiation that knocks electrons from atoms
Radiation that knocks electrons from atoms
Ionising radiation
4 factors affecting radiation damage
4 factors affecting radiation damage
Type, activity, duration, tissue type
Short-term effects of high radiation dose
Short-term effects of high radiation dose
Radiation sickness: vomiting, diarrhoea, fever
Long-term effects of radiation exposure
Long-term effects of radiation exposure
Increased cancer risk, genetic damage
Constant low-level ionising radiation around us
Constant low-level ionising radiation around us
Background radiation
% of background radiation from natural sources
% of background radiation from natural sources
87%
Largest single source of background radiation
Largest single source of background radiation
Radon gas
% of background radiation from radon in Ireland
% of background radiation from radon in Ireland
59.2%
% from medical sources in Ireland
% from medical sources in Ireland
10.4%