Uses of Radiation (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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Why is radiation dangerous to humans?
Why is radiation dangerous to humans?
Damages cells and DNA
Medical use of high-dose radiation
Medical use of high-dose radiation
Radiotherapy - kills cancer cells
Example of radiotracer substance
Example of radiotracer substance
Technetium-99
Purpose of radiotracers in medicine
Purpose of radiotracers in medicine
Diagnose and monitor conditions
Radiation type for sterilising instruments
Radiation type for sterilising instruments
Gamma rays
What gamma rays kill during sterilisation
What gamma rays kill during sterilisation
Bacteria and pathogens
Purpose of food irradiation
Purpose of food irradiation
Kill bacteria/parasites, extend shelf life
Does food irradiation make food radioactive?
Does food irradiation make food radioactive?
No
What radiography detects in materials
What radiography detects in materials
Cracks or flaws
Radioactive element in smoke detectors
Radioactive element in smoke detectors
Americium-241
What Americium-241 detects
What Americium-241 detects
Smoke particles
Where radioactive materials generate power
Where radioactive materials generate power
Nuclear reactors
How nuclear reactors produce electricity
How nuclear reactors produce electricity
Controlled nuclear reactions