

MCQOPTIONS
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1. |
In a radioactive decay, an emitted electron comes from [CBSE 1994; Pb. PET 1999] |
A. | Nucleus of the atom |
B. | Inner orbital of the atom |
C. | Outermost orbit of the atom |
D. | Orbit having principal quantum number one |
Answer» B. Inner orbital of the atom | |