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Question

In the radioactive transformation
ZXAβ−−−−−−−− Z+1XA1α−−−−−−− Z1XA42α−−−−−−− Z3XA33
which are successively emitted radioactive radiations?

A
β,α,β
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B
α,β,β
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C
β,α,α
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D
α,β,α
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Solution

The correct option is C β,α,α
zXAparentnucleusz+1XA1daughternucleus+1β0bataparticle+¯¯¯νantineutrino+Qenargyreleased

and z+1XA1parentnucleusz1XA41daughternucleus+2He4alphaparticle+Qenargyreleased

and z1XA42parentnucleusz3XA83daughternucleus+2He4alphaparticle+Qenargyreleased
So,
zXAβz+1XA1αz1XA42αz3XA83

β1,α,α are successively emitted radioactive radiations.

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