1.

Fill in the blanks with appropriate items : When `._(c)^(a) X` changes to `._(d)^(b) Y` number if ` alpha` and `beta` particle emitted respectively are ______

Answer» Correct Answer - `alpha=(a-b)/(4) ; beta = d+((a-b))/(2)-c`
`._(c)^(a)M rarr ._(d)^(b)N+x(._(2)He^(4))+y(._(-1)e^(0))`
`a=b+4x+0y`
`(a-b)/(4)=x " " ..........(1)`
`c=d+2x-y`
`c-d-(a-b)/(2)=-y`
`y=d+((a-b))/(2)=c`


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