Write the nuclear reaction for the emiss...

Write the nuclear reaction for the emission of neutron. Indicate e/m value of neutron.

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When beryllium foil is bombarded with `alpha`-particle it undergoes nuclear reaction which primarily leads to the emission of chargeless particle called neutron.
`""_(4)^(9)Be+""_(2)^(4)He to ""_(6)^(12)C+""_(0)^(1)n`
Since neutron is a chargeless particle, its `(e)/(m)=0`.

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