Question:
46 A sample of radioactive element has a mass of 10 gm at an
Last updated: 6/9/2023
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46 A sample of radioactive element has a mass of 10 gm at an instant t 0 The approximate mass of this element in the sample after two mean lives is 2003 a 1 35 gm c 3 70 gm b 2 50 gm d 6 30 gm