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There is a stream of neutrons with a kinetic energy of `0.0327 eV`. If the half-life of neutrons is `700 s`, what fraction of neutrons will decay before they travel is distance of `10 m`? Given mass of neutron `= 1.676 xx 10^(-27) kg` .

A

`3.96 xx10^(-6)`

B

`3.90 xx10^(-6)`

C

`3.85 xx10^(-6)`

D

`4.86 xx10^(-6)`

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A
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