If the half-life of any radioactive nucleus is 0.693 years, what will be the value of decay constant?
Correct answer: D. 1 s-1
- A. 0.001 s-1
- B. 0.01 s-1
- C. 0.1 s-1
- D. 1 s-1
Explanation
According to the formula λ=ln(2)/T1/2 =0.693/0.693 =1s-1This is Official Federal MDCAT 2024 question, the question statement and it's options are same as in the real exam, so we will follow the actual exam pattern for authenticity and alignment with the exam pattern.
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About Half-life and Rate of Decay
Half-life is the time required for half the unstable nuclei in a sample to decay, and it remains constant for a particular radioactive nuclide. Questions use the exponential decay law, decay constant, activity, remaining quantity and mean life. Radioactive decay is random for individual nuclei but predictable for large samples.
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