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Question 13

4g of radioactive material of half-life 10days is spilled on a laboratory floor. How long would it take to disintegrate 3.5g of the material?

  • A.11/4 days
  • B.8 3/4 days
  • C.30 days
  • D.80 days
Objective

Question details

Exam body
UNN
Subject
Physics
Year
2005/2006 DAY 1
Question no.
#13
Type
Objective
Previous · Q12The principle of operation of an induction coil is based on Next · Q14 Which of the following statements correctly describe(s) cathode rays? I. They…

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