MCQOPTIONS
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MCQOPTIONS
| 1. |
In optical grating, what is the range of the separation of the lines? |
| A. | 10 AÀö |
| B. | 100 AÀö |
| C. | 10000 AÀö |
| D. | Greater than 10000 AÀö |
| Answer» E. | |