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Question 13

The number of atoms of a radioactive substance is initially 8.0 x 1016. If the number reduces to 2.0 x 1016 in 64 minutes. What is the half-life of the substance?

  • A.32min
  • B.16min
  • C.8min
  • D.4min
Objective

Question details

Exam body
UNIBEN
Subject
General Paper
Year
2006/2007
Question no.
#13
Type
Objective
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