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JEE Main 2021 (Online) 25th July Morning Shift

MCQ+4 / -12021
The half-life of \({}^{198}Au\) is 3 days. If atomic weight of \({}^{198}Au\) is 198 g/mol then the activity of 2 mg of \({}^{198}Au\) is [in disintegration/second] :

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