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Question 55

An element whose half-life is 3 years has N atoms. How many atoms would have decayed after 9 years

  • A.1 N atoms8
  • B.1 N atoms3
  • C.2 N atoms3
  • D.5 N atoms6
  • E.7 N atoms8
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1992
Question no.
#55
Type
Objective
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