Physics, asked by Suyash123456, 1 year ago

Q no 60 pls answer correctly if u know

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Answered by Krishnadon

1

Since half life is 18 days then it take 64÷2^n then u get n=
hence it take 6 half lives thatis108 days c is correct

Answered by Krishnatripathi

1

Divide it into 6 half lives u get 18×6days=108

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