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Standard VII
Chemistry
Half Life
the number of...
Question
the number of nuclei of radioactive sample becomes 1/8th part of its initial value N knot in period of 6 years. the mean life of radioactive sample will be
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Q.
In a radioactive sample the number of active nuclei remains 6.25% of its initial value in 6 hr . find the half life of radioactive sample.
Q.
In a sample of radioactive material, what percentage of the initial number of active nuclei will decay during one mean life?
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Let
T
be the mean life of a radioactive sample.
75
%
of the active nuclei present in the sample initially will decay in time
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In a sample of radioactive material, what fraction of the initial number of active nuclei will remains unsegregated after half-life of the sample?
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Half life of a radioactive sample depends upon the initial number of nuclei present.
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