Uses of Radiation (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
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11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is the main purpose of radiotherapy?
What is the main purpose of radiotherapy?
To kill cancer cells
Which radioactive substance is used as a radiotracer in medical imaging?
Which radioactive substance is used as a radiotracer in medical imaging?
Technetium-99
Which type of radiation is used to sterilise surgical instruments?
Which type of radiation is used to sterilise surgical instruments?
Gamma rays
What do gamma rays kill during the sterilisation of surgical instruments?
What do gamma rays kill during the sterilisation of surgical instruments?
Bacteria and other pathogens
How does irradiation help preserve food?
How does irradiation help preserve food?
Extends shelf life
Does food become radioactive when it is irradiated for preservation?
Does food become radioactive when it is irradiated for preservation?
No
Which radioactive element is used in smoke detectors?
Which radioactive element is used in smoke detectors?
Americium-241
What is radiography used to detect in materials and structures?
What is radiography used to detect in materials and structures?
Cracks or flaws
Which of these is an example of where radiography is used industrially?
Which of these is an example of where radiography is used industrially?
Aircraft parts
What do nuclear reactors produce using radioactive materials?
What do nuclear reactors produce using radioactive materials?
Electricity
Why can certain types of radiation be dangerous?
Why can certain types of radiation be dangerous?
They can damage cells and DNA