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A radioisotope has a half life of 10 day...

A radioisotope has a half life of 10 days. If today there is `125 g ` of it left, what was its mass 40 days earlier ? a)600g b)1000g c)1250g d)2000g

A

600g

B

1000g

C

1250g

D

2000g

Text Solution

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The correct Answer is:
d
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