question_answer

\[{{E}_{n}}=-\frac{313.6}{{{n}^{2}}}\]. If the value of \[{{E}_{n}}=-34.84\]to which' of the following values does 'n' correspond?

A)  \[4\]                                    

B)  \[3\]

C)  \[2\]                                    

D)  \[1\]