Question detail

Which of the following factors can influence background radiation levels in a building?

Try the question, check the answer, then read the explanation to understand the curriculum point.

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At a glance

MCQ

Type

practice

Style

Topic

Hazards and uses of radioactive emissions and of background radiation

Question

A. The type of building materials used
B. The number of windows in the building
C. The color of the walls
D. The age of the building

Answer

The correct answer is A: The type of building materials used.

Explanation

The correct answer is A: The type of building materials used. This supports the learning objective "Explain why background radiation can vary with building materials or local geology." 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: The number of windows in the building; The color of the walls; The age of the building.

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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