Question detail
What type of radiation is commonly used in thickness-control systems due to its ability to penetrate materials without causing significant ionisation?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Hazards and uses of radioactive emissions and of background radiation
Question
- A. Alpha radiation
- B. Beta radiation
- C. Gamma radiation
- D. X-ray radiation
Answer
Beta radiation
Explanation
Beta radiation is suitable for thickness-control systems because it can penetrate materials effectively while causing less ionisation compared to alpha radiation.
Common mistake
Misunderstanding Beta Radiation
Students often confuse beta radiation with alpha radiation, thinking both have similar penetration abilities.
Remember that beta radiation has greater penetration power than alpha radiation, making it suitable for thickness-control systems.
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