A) \[({{R}_{1}}{{T}_{1}}-{{R}_{2}}{{T}_{2}})\]
B) \[({{R}_{1}}-{{R}_{2}})\]
C) \[({{R}_{1}}-{{R}_{2}})/T\]
D) \[({{R}_{1}}-{{R}_{2}})\,T\]
Correct Answer: D
Solution :
\[{{R}_{1}}=\lambda {{N}_{1}},\] \[{{R}_{2}}=\lambda {{N}_{2}}\] Number of atoms decayed in\[({{T}_{1}}-{{T}_{2}})\]. \[{{N}_{1}}-{{N}_{2}}=\frac{{{R}_{1}}-{{R}_{2}}}{\lambda }\] \[=\frac{({{R}_{1}}-{{R}_{2}})T}{\theta .693}\] \[{{N}_{1}}-{{N}_{2}}\propto ({{R}_{1}}-{{R}_{2}})T\]You need to login to perform this action.
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