1.

Which one of the following nuclear transformation is (n, p ) type              [AIIMS 1980, 83]

A.                 \[_{3}L{{i}^{7}}+{{\,}_{1}}{{H}^{1}}\xrightarrow{{}}{{\,}_{4}}B{{e}^{7}}+{{\,}_{0}}{{n}^{1}}\]
B.                 \[_{33}A{{s}^{75}}+{{\,}_{2}}H{{e}^{4}}\xrightarrow{{}}{{\,}_{35}}B{{r}^{78}}+{{\,}_{0}}{{n}^{1}}\]
C.                 \[_{83}B{{i}^{209}}+{{\,}_{1}}{{H}^{2}}\xrightarrow{{}}{{\,}_{84}}P{{o}^{210}}+{{\,}_{0}}{{n}^{1}}\]
D.                 \[_{21}S{{c}^{45}}+{{\,}_{0}}{{n}^{1}}\xrightarrow{{}}{{\,}_{20}}C{{a}^{45}}+{{\,}_{1}}{{H}^{1}}\]
Answer» E.


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