WBJEE 2014 Physics Solved Paper

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Question : 20 of 60

Marks: +1, -0

For the radioactive nuclei that undergo either α or β decay, which one of the following cannot occur ?

isobar of original nucleus is produced
isotope of the original nucleus is produced
nuclei with higher atomic number than that of the original nucleus is produced
nuclei with lower atomic number than that of the original nucleus is produced

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