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QUESTION 1 The is a measure of the quantity of ions produced in dry air by the passage of radiation.
QUESTION 4 A radioactive isotope has a half life of 87 2 minutes. How long will it take for the radiation from a 580 pCi samp
QUESTION 5 A radioactive isotope has a half life of 41.3 minutes. How long will it take for the radiation from a 580 pCi samp
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Answer #1

1) The Roentgen is a measure of the quantity of ions produced in dry air by passage of radiation.

4 t = 8702 minutes Activity of radiation is measured of in terms pci (Picocurie). Activity but is nothing rate of disintegrat

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