Question

50. A radio active isotope having a half life of
3 days was received after 9 days. It was
found that there was only 4 gms of the
isotope in the container. The initial weight
of the isotope when packed was
1) 8 g 2) 64 g
3) 48 g 4)32 g​

Answer 1

Answer:

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Answer 2

Answer:

correct answer is

c)48g...