The half-life of radioactive element is 600 yr. The fraction of sample that would remain after 3000 yr is
Options
(a) (1/2)
(b) (1/16)
(c) (1/8)
(d) (1/32)
Correct Answer:
(1/32)
Explanation:
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T(Half)=600 years
T=3000 years
n=3000/600
n=5
Now,
N=N`(1/2)powern=5
N=N'(1/32)
N/N`=1/32