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Starting with a sample of pure .^(66)Cu,...

Starting with a sample of pure `.^(66)Cu, 7//8` of it decays into `Zn` in `15` minute. The corresponding half-life is:

A

10 min

B

15 min

C

5 min

D

`7 1/2` min

Text Solution

Verified by Experts

The correct Answer is:
C
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