In the given figure \(S_1\) and \(S_2\) are two coherent sources oscillating in phase. The total number of bright fringes and their shape as seen on the large screen will be:

| 1. | \(3\), rectangular strips |
| 2. | \(3\), circular |
| 3. | \(4\), rectangular strips |
| 4. | \(4\), circular |