Biology, asked by eevasid277, 1 year ago

A gemstone is irradiated in a nuclear reactor for 5 days. Ten days after irradiation, the activity of the chromium radioisotope in the gemstone is 600 disintegrations per hour. What is the activity of chromium radioisotope 5 days after irradiation if its half life is 5 days ?

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Answered by mannat659
1
so 12oo comes as the answer
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