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IB Physics SL E 3 6 Random Radioactive Decay Questions

Explain SL radioactive decay as random and spontaneous, distinguishing unpredictable individual events from predictable exponential behaviour in a sample.

Syllabus
First assessment 2025
Course
Physics SL
Level
SL

Exam points

  • Define random and spontaneous radioactive decay.
  • Explain exponential decay and its independence from physical conditions.
  • Distinguish unpredictable individual decay from predictable statistical behaviour.

IB Physics SL E 3 6 Random Radioactive Decay Questions question 1

[Maximum number: 2]

Radioactive decay is said to be "random" and "spontaneous". Outline what is meant by each of these terms.

Random:
Spontaneous:

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