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In 24 days a radioactive isotope decreases in mass from 64g to 2g. What...

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Question 459
0.75 days
2.58 days
4 days
4.80 days
6 days
64g 32g 16g 8g 4g 2g

Half life time= 24/5 = 4.8 days

Correct option: D

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