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The half life of radium is 1500 year. In how many year will

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in Physics by (52.2k points)

The half life of radium is 1500 year. In how many year will 1 g of radium (a) lose 1 mg (b) be reduced to one centigram.

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1 Answer

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by (51.8k points)
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1.995 year; 9.972 x 103 year

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