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The activity of a radioactive substance, initially at 400 counts per second reduces to 50 counts per second in 72 minutes. Determine the half – life...

      

The activity of a radioactive substance, initially at 400 counts per second reduces to 50 counts per
second in 72 minutes. Determine the half – life of the substance

  

Answers


Davis
(50)/400 = (I)n n =3(half-lives)
(2)^n
Half –life 72 = 24 min.

Githiari answered the question on September 19, 2017 at 14:05


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