CAIE IGCSE Physics 5.2.3.1 Radioactive Decay Is a Change in an Questions
Learn why individual nuclear decay is random while count-rate measurements show statistical variation.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- explain that radioactive decay of an individual nucleus is spontaneous and random
- explain why detector count-rate readings fluctuate statistically
- distinguish predictable half-life behaviour from unpredictable individual decay events
CAIE IGCSE Physics 5.2.3.1 Radioactive Decay Is a Change in an Questions question 1
[Maximum number: 1]
The nuclei of the atoms in a substance are changing randomly and emitting radiation.
What is happening to the substance?
A
It is undergoing electromagnetic induction.
B
It is undergoing magnetisation.
C
It is undergoing solidification.
D
It is undergoing radioactive decay.
D
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