The half - life of `._(92)U^(238)` against `alpha - decay` is `4.5 xx 10^(9)` years. How many disintegrations per second occur in 1 g of `._(92)U^(238
The half - life of `._(92)U^(238)` against `alpha - decay` is `4.5 xx 10^(9)` years. How many disintegrations per second occur in 1 g of `._(92)U^(238)` ?
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