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One gram of a radioactive sample of half-life 10 min is sealed in a capsule at time t=0. Amount of sample decayed up to 5 min is
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[a] Use the relation N=N0e−λt where the decay constant λ=(0.693/Thalf). The half-life period Thalf is given to be 10min. The amount N of radioactive sample remaining at the end of 5 min comes out to be about 0.707g, so that the amount of sample decayed is (1−0.707)=0.293g.
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Question Text | One gram of a radioactive sample of half-life 10 min is sealed in a capsule at time t=0. Amount of sample decayed up to 5 min is |
Answer Type | Text solution:1 |
Upvotes | 150 |