The rate of radioactive disintegration at an instant for a radioactive same of half life 2.2 × 109 s is 1010 s–1. The number of radioactive atoms in that sample at that instant is,
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The rate of radioactive disintegration at an instant for a radioactive same of half life 2.2 × 109 s is 1010 s–1. The number of radioactive atoms in that sample at that instant is,