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Q: The half life of Iodine – 131 is
  • A. 8 days
  • B. 80 days
  • C. 10 days
  • D. 12 days
Correct Answer: Option A - The half life of iodine - 131 is 8 days. It means that due to the decay half of material will statistically decay every eight days.
A. The half life of iodine - 131 is 8 days. It means that due to the decay half of material will statistically decay every eight days.

Explanations:

The half life of iodine - 131 is 8 days. It means that due to the decay half of material will statistically decay every eight days.