Contamination & Irradiation (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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How long does contamination last?
How long does contamination last?
A long period of time
Contamination (definition)
Contamination (definition)
Source of radiation transferred to an object
Radioactive contamination
Radioactive contamination
Unwanted presence of radioactive atoms on materials
Example of contamination
Example of contamination
Radioactive dust settling on skin
How long does irradiation last?
How long does irradiation last?
A short period of time
Irradiation (definition)
Irradiation (definition)
Source emits radiation which reaches the object
Does irradiation make objects radioactive?
Does irradiation make objects radioactive?
No, it does not make them radioactive
Example of irradiation
Example of irradiation
Radioactive dust emitting beta radiation to skin
Why are medical items irradiated?
Why are medical items irradiated?
To kill bacteria on their surface
Does irradiating medical tools make them radioactive?
Does irradiating medical tools make them radioactive?
No, it does not make them radioactive
Scientific reports requirement
Scientific reports requirement
Must be peer-reviewed
Why is peer review essential for radiation studies?
Why is peer review essential for radiation studies?
Essential for studies on radiation effects on humans
Risk of incorrect radiation measurements
Risk of incorrect radiation measurements
Incorrect safety levels could cause people to die