Nuclear Physics and RadioactivityEasy
Question
Let NB be the number of β particles emitted by 1 gram of 24 Na radioactive nuclei (half life = 15 hrs) in 7.5 hours, Nβ is close to (Avogadro number = 6.023 × 1023/g. mole) :
Options
A.6.2 × 1021
B.7.5 × 1021
C.1.25 × 1022
D.1.75 × 1022
Solution
Nβ = N0(1 - e-λt)
Nβ =
Nβ = 7.4 × 1021
Option (2)
Nβ =
Nβ = 7.4 × 1021
Option (2)
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