Alpha particle counter, mounted to the camera with

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Uploaded: 14.02.2016
Content: 60393.PNG (49,35 kB)
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Description

Alpha particle counter, mounted to the camera with a radioactive source Rutherford, recorded in the beginning of 6000 measurements of alpha particles per minute. After 4 hours of measurement counter recorded in 1800 alpha particles per minute. Determine the half-life of a radioactive isotope and the average time of his life.

Additional information

Task 60393. Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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