A) 1
B) 2
C) 3
D) All of these
Correct Answer: B
Solution :
Fraction of atoms remained after time t Is \[\frac{N}{{{N}_{0}}}={{\left( \frac{1}{2} \right)}^{t/T}}\] Here, \[{{T}_{1/2}}=2s\] and \[{{N}_{0}}=4\] \[T=2s\] \[\Rightarrow \] \[\frac{N}{4}=\frac{1}{2}\] or \[N=2\]You need to login to perform this action.
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