Question

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

• A. $4$
• B. $3$
• C. $2$
• D. $1$

Answer 1

Answer: (B)

$3$

Answer 2

Answer (b) $3$