MCQOPTIONS
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MCQOPTIONS
| 1. |
The wavelength range for a grating is _______ |
| A. | 200 nm 400 nm |
| B. | 400 nm 800 nm |
| C. | 800 nm 1200 nm |
| D. | 200 800 nm |
| Answer» C. 800 nm 1200 nm | |