MCQOPTIONS
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| 1. |
The wavelength of the visible spectrum is in the range: |
| A. | 1300 A-3900 A |
| B. | 3900 A-7600 A |
| C. | 7800 A-8200 A |
| D. | 8500 A-9800 A |
| E. | None of the above / More than one above |
| Answer» C. 7800 A-8200 A | |