Question detail

Why does background radiation vary with location?

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. Different locations have varying levels of cosmic rays and geological materials
B. All locations have the same level of radiation
C. Radiation levels are only affected by human activity
D. Background radiation is constant everywhere

Answer

The correct answer is A: Different locations have varying levels of cosmic rays and geological materials.

Explanation

The correct answer is A: Different locations have varying levels of cosmic rays and geological materials. 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: All locations have the same level of radiation; Radiation levels are only affected by human activity; Background radiation is constant everywhere.

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).

Related flashcards

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