MCQOPTIONS
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MCQOPTIONS
| 1. |
For best visual performance, the range of brightness within the field of vision |
| A. | Should be less than 3:1 |
| B. | Should be greater than 3:1 |
| C. | Should be less than 1:3 |
| D. | Should be greater than 1:3 |
| Answer» B. Should be greater than 3:1 | |