Question 1
Question detail
What is the effect of building materials on 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. Some materials can emit radiation
- B. All materials block radiation
- C. Building materials have no effect
- D. Only metal materials emit radiation
Answer
The correct answer is A: Some materials can emit radiation.
Explanation
The correct answer is A: Some materials can emit radiation. This supports the learning objective "Explain why background radiation can vary with altitude." 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: All materials block radiation; Building materials have no effect; Only metal materials emit radiation.
Common mistake
Altitude Effects on Background Radiation
Students often believe that background radiation is constant regardless of altitude.
Understand that background radiation can increase with altitude due to reduced atmospheric shielding from cosmic rays.
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