Applications of radioisotopes (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why are alpha emitters ideal for targeted cancer therapy?
Why are alpha emitters ideal for targeted cancer therapy?
High ionising power & short range
How is radium-233 administered for cancer treatment?
How is radium-233 administered for cancer treatment?
Injected directly into tumorous tissue
Why is iodine-131 particularly effective for treating thyroid cancer?
Why is iodine-131 particularly effective for treating thyroid cancer?
Thyroid naturally concentrates iodine
In PET scanning, what happens when positrons from beta-plus decay meet electrons?
In PET scanning, what happens when positrons from beta-plus decay meet electrons?
They annihilate producing gamma rays
What is a key advantage of gamma sterilisation for medical equipment?
What is a key advantage of gamma sterilisation for medical equipment?
Sterilises heat-sensitive items
How does polonium-210 eliminate static electricity in industrial processes?
How does polonium-210 eliminate static electricity in industrial processes?
Alpha particles ionise air
In thickness monitoring with strontium-90, what happens if the material becomes too thick?
In thickness monitoring with strontium-90, what happens if the material becomes too thick?
Count rate decreases, rollers increase pressure
Why are beta particles suitable for monitoring thin sheet material thickness?
Why are beta particles suitable for monitoring thin sheet material thickness?
Sufficient penetration but absorbed by thickness variations
Why are gamma emitters used for detecting pipeline leaks underground?
Why are gamma emitters used for detecting pipeline leaks underground?
Gamma radiation penetrates soil
What unit do dosimeter badges use to measure radiation exposure?
What unit do dosimeter badges use to measure radiation exposure?
Sieverts (Sv)