A) \[\beta \]
B) \[10\Omega \]
C) \[15\Omega \]
D) \[5\Omega \]
Correct Answer: B
Solution :
Number of disintegrations \[{{C}_{2}}{{H}_{4}}\] \[{{C}_{2}}{{H}_{4}}\] \[1{{s}^{2}},2{{s}^{2}},2{{p}^{3}}\] second \[1{{s}^{2}},2{{s}^{1}}\] (226 is the mol. wt. of radium) \[1{{s}^{2}},2{{s}^{2}},2{{p}^{3}}\] \[1{{s}^{2}},2{{s}^{2}}\] \[S{{F}_{6}}\]
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