1.

If `X^(a)` species emit firstly a positron then two `alpha` and `beta` last one `alpha` is also emitted and finally convert in `Y^(c )` species so correct the relation isA. a=c+12,d=b-5B. a=c-8,d=b-1C. a=c-6,d=b-0D. a=c-4,d=b-2

Answer» Correct Answer - A
`_(92)U^(235)` nucleus absorbs a neutron and then disintegrate in `_(54)Xe^(139),38Sr^(94) and X.`
Thus
`_(92)U^(235)+_(0)n^(1)rarr_(54)Xe^(139)+_(38)Sr^(94)+3_(0)n^(1)`


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