Question 1
Question detail
How does altitude affect background radiation levels?
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. Higher altitudes generally have lower radiation levels
- B. Higher altitudes generally have higher radiation levels
- C. Altitude has no effect on radiation levels
- D. Radiation levels are constant regardless of altitude
Answer
The correct answer is B: Higher altitudes generally have higher radiation levels.
Explanation
The correct answer is B: Higher altitudes generally have higher radiation levels. This supports the learning objective "Explain why background radiation varies with location." in Background radiation because it uses the correct atomic and nuclear radiation relationship for Hazards and uses of radioactive emissions and of background radiation. The other options are less suitable because they do not match the required Background radiation idea: Higher altitudes generally have lower radiation levels; Altitude has no effect on radiation levels; Radiation levels are constant regardless of altitude.
Common mistake
Misunderstanding Background Radiation Sources
Students often confuse natural and artificial sources of background radiation, thinking they are the same.
To fix this, students should categorize sources of background radiation into natural (like cosmic rays and radon gas) and artificial (like medical uses and nuclear power), and understand the differences in their origins.
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