1.

During the transformation of .^(b)X_(a) rarr .^(d)Y_(c) the number of beta-particles emitted is

Answer»

`((b -d))/(4)`
`(c -a) + (1)/(2) (b -d)`
`(a -c) - (1)/(2) ( b-d)`
`(b -d) + 2 (c -a)`

Solution :`._(a)^(b) X rarr ._(c)^(d)Y + x_(1)^(4) alpha + y_(-1)^(0)beta`
`b = d + 4x + 0y " " a = c + 2X - y`
or, `b =d+ 4x " " or, a = c + 2.(b-d)/(4) -y`
or, `x = (b-d)/(4) "" or, a = c + (b -d)/(2) - y`
or, `y = (c -a) + ((b -d))/(2)`


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