Question

Ratio of difference of spacing between the energy levels with $n=3$ and $n=4$ and the spacing between the energy levels with $n=8$ and $n=9$ for a hydrogen like atom or ion is

• A. 0.71
• B. 0.41
• C. 2.43
• D. 14.82

Answer 1

Answer: (B)

0.41

Answer 2

$\frac{r_4 - r_3}{r_9 - r_8} = \frac{4^2 - 3^2}{9^2 - 8^2}$ = 0.41