Question detail
What type of radiation is emitted during alpha decay?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and nuclear radiation
Question
- A. High-speed electrons
- B. Helium nuclei
- C. Electromagnetic waves
- D. Neutrons
Answer
Helium nuclei
Explanation
Alpha radiation consists of helium nuclei, which contain two protons and two neutrons.
Common mistake
Misunderstanding Activity Measurement
Students often confuse the unit of activity, becquerels, with other units of measurement, leading to incorrect answers.
Remember that activity is specifically measured in becquerels (Bq), where 1 Bq equals one decay per second. Always check that you are using the correct unit when discussing radioactive activity.
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