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A sample contains 1 kg O^(19) nuclei . ...

A sample contains 1 kg `O^(19) ` nuclei . The sample decays according to following equation
`O^(19) to F^(19) + e + barv`
The mass of sample after one half-life period is

A

lesser than 1/2 kg

B

equal to 1/2 kg

C

slightly less than 1 kg

D

equal to 1 kg

Text Solution

Verified by Experts

The correct Answer is:
C
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