An isotope has an initial activity of 120 Bq. 6 days later its activity is 15 Bq. The half-life is?

By: |Published on: Jan 11|Categories: Physics JAMB| 0 comments

A. 3 days
B. 2 days
C. 1 day
D. 4 days

Correct Answer:

Option A = 3 days

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