Karteikarten
Properties of radiation
Karten in diesem Stapel (10)
- 1What does alpha radiation consist of? Two protons and two neutrons One electron Electromagnetic radiationAlpha radiation consists of two protons and two neutrons. This is the same as a helium nucleus.
- 2Which type of radiation is the least penetrating? Gamma Alpha BetaAlpha radiation is the least penetrating
- 3Which type of radiation travels the furthest in air? Alpha Beta GammaGamma radiation travels the furthest in air.
- 4Which of these is the correct definition of half-life? The time it takes for the number of protons to halve The distance it takes for the number of nuclei to halve The time it takes for the number of nuclei to halveThe correct definition for a half-life is the time it takes for the number of nuclei to halve.
- 5What shape is the line on a decay curve for a radioactive substance? Straight line upwards Curve downwards Curve upwardsThe shape of the line on a decay curve for a radioactive substance is a curve downwards.
- 6What charge is alpha radiation? Negative Neutral PositiveAlpha particles are positively charged.
- 7Which type of radiation will be attracted to a positively charged plate? Beta Alpha GammaBeta radiation is negatively charged and so will be attracted to a positively charged plate.
- 8What colour will photographic film turn when it absorbs radiation? Stay the same Darker LighterPhotographic film will turn darker when it absorbs radiation.
- 9What tube detects radiation? Fluorescent Geiger-Muller GlassA Geiger-Muller tube detects radiation.
- 10Which of these is an artificial source of background radiation? Cosmic rays Rocks and soil Radioactive wasteRadioactive waste is an artificial source of background radiation.
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- Erstellt von
- Louie . · Feb 2017
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- 5 Feb 2017
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