1.

An isotope \[_{Y}{{A}^{X}}\] undergoes a series of \[m\]  alpha and \[n\] beta disintegration to form a stable isotope \[_{Y-10}{{B}^{X-32}}\].  The values of \[m\] and \[n\] are respectively   [MP PET 1995]

A.      6 and 8 
B.      8 and 10
C.      5 and 8 
D.      8 and 6
Answer» E.


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