Question detail
Why is gamma radiation considered less ionising than alpha radiation?
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. Gamma radiation has a larger mass
- B. Gamma radiation has no charge
- C. Gamma radiation travels slower
- D. Gamma radiation is emitted from unstable nuclei
Answer
The correct answer is B: Gamma radiation has no charge.
Explanation
The correct answer is B: Gamma radiation has no charge. This supports the learning objective "Represent gamma emission using a nuclear equation or written description." in Nuclear equations because it uses the correct atomic and nuclear radiation relationship for Atoms and nuclear radiation. The other options are less suitable because they do not match the required Nuclear equations idea: Gamma radiation has a larger mass; Gamma radiation travels slower; Gamma radiation is emitted from unstable nuclei.
Common mistake
Misunderstanding Gamma Emission
Students often confuse gamma emission with other types of radiation, thinking it changes the mass number or atomic number of the nucleus.
Remember that gamma emission does not change the mass number or atomic number; it is purely electromagnetic radiation emitted from the nucleus.
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