1.

During the transformation of ._(c )^(a)X of ._(d)^(b)Y the number of beta-particle emitted are:

Answer»


SOLUTION :`._(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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