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Sagot :
Half life is a constant, meaning that it will never change, so the answer is (3)
Answer : The correct option is, (3) remains the same.
Explanation:
Half life : It is defined as the amount of time taken by a radioactive material to decay to half of its original value.
All radioactive decays follow first order kinetics.
The relation between the half-life and rate constant is:
[tex]k=\frac{0.693}{t_{1/2}}[/tex]
The half-life of the radioactive isotope is remains the same that means a constant value and it is not affected by any external conditions.
Thus, the half-life remains the same as a sample of the radioactive isotope decays.
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