Nuclear Physics and RadioactivityMedium
Question
′Rn′ decays into ′Po′ by emitting a - particle with half life of 4 days, A sample contains 6.4 × 1010 atoms of Rn. After 12 days, the number of atoms of ′Rn′ left in the sample will be-
Options
A.3.2 × 1010
B.0.53 × 1010
C.2.1 × 1010
D.0.8 × 1010
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