Question detail
What is 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. Radiation that is always present in the environment
- B. Radiation emitted only during nuclear reactions
- C. Radiation that is only found in outer space
- D. Radiation that comes from artificial sources only
Answer
Radiation that is always present in the environment
Explanation
Background radiation refers to the ionising radiation that is consistently present in our environment from natural and artificial sources.
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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