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 controlled by human activity
D. Background radiation is only present in urban areas

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 "Interpret charts or tables showing sources of background radiation." 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 controlled by human activity; Background radiation is only present in urban areas.

Common mistake

Misinterpreting Background Radiation Sources

Students often confuse natural and artificial sources of background radiation when interpreting charts or tables.

To fix this, students should carefully review the definitions of natural and artificial sources and practice identifying them in various contexts.

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