Question detail
Which type of radiation is described as a high-speed electron emitted from the nucleus?
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. Alpha radiation
- B. Beta radiation
- C. Gamma radiation
- D. Neutron radiation
Answer
Beta radiation
Explanation
Beta radiation consists of high-speed electrons that are emitted from the nucleus during radioactive decay.
Common mistake
Misunderstanding Count Rate
Students often confuse count rate with total counts over time, thinking it represents the total number of counts detected rather than the rate at which counts are detected.
Emphasize that count rate is defined as the number of counts detected per second or per minute, and practice converting total counts into a rate by dividing by the time period.
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