Consider two nuclei of same radioactive nuclide. One of the nuclei was created in a supernova explosion 5 billion years ago. The other was created in a nuclear reaction 5 minutes ago. The probability of decay during next time is
different of each nuclei
nuclei created in explosion decays first
nuclei created in the reactor decays first
independent of time of creation
A
different of each nuclei
B
nuclei created in explosion decays first
C
independent of time of creation
D
nuclei created in the reactor decays first
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Solution
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The half life t1/2 and decay constant λ remain constant, independent of time of creation of radioactive nuclei. So the probability of decay remains same.
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