Given below are two statements:
| Statement I: | Line emission spectra are useful in the study of electronic structure. |
| Statement II: | Each element has a unique line emission spectrum. |
| 1. | Statement I is incorrect and Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct and Statement II is incorrect. |
| Assertion (A): | The absorption spectrum consists of some bright lines separated by dark spaces. |
| Reason (R): | The emission spectrum consists of dark lines. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |