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A ""^(7)Li target is bombarded with a...

A `""^(7)Li` target is bombarded with a proton beam currect of `10^(-4)` A for 1 hour to produce `""^(7)Be` of activity `1.8xx10^(8)` disintergration per second Assuming that one `""^(7)`Be radioactive nuclei is produced by bombarding 1000 protons determine its half - life .

A

100 days

B

110 days

C

150 days

D

80 days

Text Solution

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The correct Answer is:
A
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