214Po undergoes alpha decay to become 21Pb. If the Q value of the reaction is 7.83 MeV, calculate the kinetic energy of the alpha particle released.
214Po undergoes alpha decay to become 21Pb. If the Q value of the reaction is 7.83 MeV, calculate the kinetic energy of the alpha particle released.
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Concept and Principle:
- When an unstable nucleus undergoes alpha decay they release a helium nucleus or alpha particle. This kind of decay is called alpha decay.
- The following reaction takes place in alpha decay.
Here X is the parent nucleus and X' is the daughter nucleus.
- The kinetic energy of the alpha particle released is given by,
Here A is the atomic number of the parent nucleus and Q is the energy released in the reaction.
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