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The activity of a radioactive sample falls to of its initial value in
PHYSICS · Single correct · CBSE · Physics · Nuclei · Nuclei
Problem
The activity of a radioactive sample falls to
20
%
20\%
20%
of its initial value in
15
days
15\,\text{days}
15
days
. Estimate its half-life (in days). (a)
7.5
7.5
7.5
(b)
15
15
15
(c)
6.5
6.5
6.5
(d)
3.3
3.3
3.3
Related theory
Radioactivity
Nuclear physics
Radioactive decay
Atomic Structure
Nuclei
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