Questions
The half life of radium is 1600years. The fraction of a sample of radium that would remain after 6400years
a
1/4
b
1/2
c
1/8
d
1/16.
detailed solution
Correct option is D
n=64001600=4 . NN0=(12)4=116 ∴N=116N0 .Talk to our academic expert!
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