Uses of nuclear radiation (AQA GCSE Physics): Flashcards
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Most penetrating type of nuclear radiation
Most penetrating type of nuclear radiation
Gamma-rays
How gamma-rays treat cancer
How gamma-rays treat cancer
Damage and destroy cancer cells
Gamma-ray use for medical equipment
Gamma-ray use for medical equipment
Sterilise/kill bacteria on instruments
Why gamma better than heat for plastic equipment
Why gamma better than heat for plastic equipment
Heat would melt plastic; gamma-rays don't
What radioactive tracers emit in medical diagnosis
What radioactive tracers emit in medical diagnosis
Gamma-rays
Gamma-ray use in food industry
Gamma-ray use in food industry
Kill harmful microbes to preserve food
Radiation type used in smoke detectors
Radiation type used in smoke detectors
Alpha particles (from americium-241)
How smoke triggers alarm in detector
How smoke triggers alarm in detector
Smoke absorbs alpha particles, reducing current
Radiation type for paper thickness control
Radiation type for paper thickness control
Beta particles
Fewer beta particles through paper means
Fewer beta particles through paper means
Paper too thick
More beta particles through paper means
More beta particles through paper means
Paper too thin
Why beta particles ideal for paper thickness
Why beta particles ideal for paper thickness
Pass through thin paper but stopped by thicker paper
Why alpha unsuitable for paper thickness control
Why alpha unsuitable for paper thickness control
Too weak - wouldn't get through any paper
Why gamma unsuitable for paper thickness control
Why gamma unsuitable for paper thickness control
Too strong - go through everything