Under certain circumstances, a nucleus can decay by emitting a par | Filo
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Class 12

Biology

Cell: Structure and Functions

Nuclei

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Under certain circumstances, a nucleus can decay by emitting a particle more massive than an -particle. Consider the following decay processes:


Calculate the Q-values for these decays and determine that both are energetically allowed.

Solution: (i) In case of first process,

The mass defect occured in reaction is,


So, the amount of energy released is given by:


(ii) Now, in case of second reaction,

Mass defect is given as:

the Energy released in the reaction is:


Since both reactions have positive Q-value so both reactions are possible.
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