Exam-style question
Try this first
GAMMA SPECTROSCOPY case: excited nucleus produces evidence from energy level drop. Which option best answers the objective "Explain nuclear stability using neutron-proton ratio." for Nuclear instability, while reaching the conclusion about no nucleon change?.
- A.nuc-123-gamma-spectroscopy: Link excited nucleus to energy level drop and conclude no nucleon change for Nuclear instability.
- B.nuc-123-gamma-spectroscopy: Ignore energy level drop and answer with an unrelated Radioactivity recall phrase.
- C.nuc-123-gamma-spectroscopy: Swap the required nuclear distinction and claim no nucleon change without evidence.
- D.nuc-123-gamma-spectroscopy: Use a calculation label only, without applying explain nuclear stability using neutron-proton ratio..
Model answer
What a good answer should say
- The correct option is nuc-123-gamma-spectroscopy: Link excited nucleus to energy level drop and conclude no nucleon change for Nuclear instability.
Explanation
Why this works
It is correct because the gamma spectroscopy context uses energy level drop to support explain nuclear stability using neutron-proton ratio. in Nuclear instability.
The distractors fail because they either ignore the evidence, swap a nuclear concept boundary, or give a label without the required A-Level Physics reasoning.
Common mistake
No common mistake is linked to this question yet.