1. | \(\frac{3}{23}\) | 2. | \(\frac{7}{29}\) |
3. | \(\frac{9}{31}\) | 4. | \(\frac{5}{27}\) |
1. | the first line of the Lyman series. |
2. | the second line of the Balmer series. |
3. | the first line of the Paschen series. |
4. | the second line of the Paschen series. |
1. | \(\dfrac{25}{9}\) | 2. | \(\dfrac{17}{6}\) |
3. | \(\dfrac{9}{5}\) | 4. | \(\dfrac{4}{3}\) |
1. | \(\dfrac{25}{9}\) | 2. | \(\dfrac{17}{6}\) |
3. | \(\dfrac{9}{5}\) | 4. | \(\dfrac{4}{3}\) |
1. | \(5\rightarrow 4\) | 2. | \(3\rightarrow 2\) |
3. | \(2\rightarrow 1\) | 4. | \(3\rightarrow 1\) |
1. | \(\frac{\lambda_1\lambda_2}{\lambda_1-\lambda_2}\) | 2. | \(\frac{\lambda_1+\lambda_2}{2}\) |
3. | \(\sqrt{\lambda^2_1+\lambda^2_2}\) | 4. | \(\frac{\lambda_1\lambda_2}{\lambda_1+\lambda_2}\) |