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Question 61

The count rate of an alpha-particle source is 400 per minute. If the half-life of the source is 5 days, what would be the count rate per minute after 15 days?

  • A.20
  • B.25
  • C.50
  • D.200
  • E.400
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1996
Question no.
#61
Type
Objective
Previous · Q60Which of the following particles/rays do not originate from the nucleus of an…

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