A small quantity of solution containing 
radio nuclide of activity 1 microcurie is injected into the blood of a person. A sample of the blood of volume 1 
taken after 5 hours shows an activity of 296 disintegration per minute. What will be the total volume of the blood in the body of the person? Assume that the radioactive solution mixes uniformly in the blood of the person
(Take 1 Curie 
disintegration per second and 
; where 
disintegration constant)
Text Solution
Verified by ExpertsA
Initial activity 
micro curie 
dps
Activity in 1 
of blood at 
hrs
dps
Activity of whole blood at time 
Total volume should be 
litres
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