Question detail
What is background radiation?
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. Radiation that is always present in the environment
- B. Radiation emitted from nuclear power plants
- C. Radiation used in medical imaging
- D. Radiation that occurs only during a nuclear event
Answer
Radiation that is always present in the environment
Explanation
Background radiation is defined as ionising radiation that is consistently present in the environment, originating from natural and artificial sources.
Common mistake
Misunderstanding Background Radiation Sources
Students often confuse natural and artificial sources of background radiation, thinking they are the same.
Clarify the distinction by categorizing sources into natural (like cosmic rays and radon gas) and artificial (like medical uses and nuclear power).
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