1.

An atomic nucleus \[_{90}T{{h}^{232}}\] emits several a and b radiations and finally reduces to \[_{82}P{{b}^{208}}\]. It must have emitted [MP PET 2003]                                              

A.            4a and 2b                              
B.            6a and 4b
C.            8a and 24b                           
D.            4a and 16b
Answer» C.            8a and 24b                           


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