MCQOPTIONS
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| 1. |
The human eye is sensitive only to light having wavelength ranging from: |
| A. | 80 to 280 nanometre |
| B. | 380 to 760 nanometre |
| C. | 780 to 870 nanometre |
| D. | 880 to 980 nanometre |
| Answer» C. 780 to 870 nanometre | |