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Question

The half-life of a radioactive substance is 4 months. How much time it will take to decay 3/4th of the substance ?

  1. 12 months
  2. 8 months
  3. 4 months
  4. 3 months

Answer:

Option B: 8 months

Detailed Solution:

The correct answer is “8 months”.

It will take 8 months to decay 3/4th of the substance.