MCQOPTIONS
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| 1. |
The wavelength of yellow line of sodium is 5896 Å. Its wave number will be [MP PET 2001] |
| A. | 50883 × 1010 per second |
| B. | 16961 per cm |
| C. | 17581 per cm |
| D. | 50883 per cm |
| Answer» C. 17581 per cm | |