McqMate
| Q. |
43 μm. Determine the number of longitudinal modes. |
| A. | 1×102 |
| B. | 3×106 |
| C. | 2.9×105 |
| D. | 2.2×105 |
| Answer» D. 2.2×105 | |
| Explanation: the number of longitudinal modes is given by- | |
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