Question:
18 The rate of disintegration was observed to be 1017
Last updated: 6/21/2023
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18 The rate of disintegration was observed to be 1017 disintegrations per sec when its half life period is 1445 years The original number of particles are 1 8 9 1027 2 6 6 1027 4 1 2 10 7 3 1 4 1016 X