A) 109700 cm?1
B) 1097cm?1
C) 109 cm?1
D) None of these
Correct Answer: A
Solution :
Wave number \[\bar{\nu }=\frac{1}{\lambda }=R\,\left[ \frac{1}{n_{1}^{2}}-\frac{1}{n_{2}^{2}} \right];{{n}_{2}}=\infty \] and \[{{n}_{1}}=1\] \[\Rightarrow \bar{\nu }=R=1.097\times {{10}^{7}}{{m}^{-1}}=109700\ c{{m}^{-1}}\]
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