A radioactive sample decays by emitting ${\beta ^ - }$ particles.
The energy released in the decay process is the same for each nucleus that decays, but the${\beta ^ - }$ particles emitted have a continuous range of kinetic energies.
Which statement explains why the ${\beta ^ - }$ particles are emitted with a continuous range of kinetic energies?
1 )
Some of the energy released is given to the remaining nucleons in the nucleus.
Some of the energy released is taken by an emitted antineutrino.
3 )
Some of the energy released is used to create the ${\beta ^ - }$ particle.
4 )
Some of the energy released is used to create a new nucleon.
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