MCQOPTIONS
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| 1. |
The visible spectrum wavelength ranges from |
| A. | 380 to 760 nanometers |
| B. | 200 to 700 nanometers |
| C. | 400 to 1000 nanometers |
| D. | 100 to 1000 nanometers |
| Answer» B. 200 to 700 nanometers | |