A radioactive material has a half-life of 8 years. The activity of the – McqOptions

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1.	A radioactive material has a half-life of 8 years. The activity of the material will decrease to about 1/8 of its original value in [UPSEAT 2005]
A.	256 year
B.	128 year
C.	64 year
D.	24 year
Answer» E.

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