MCQOPTIONS
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| 1. |
The intercept of a staff |
| A. | is maximum if the staff is held truly normal to the line of sight. |
| B. | is minimum if the staff is held truly normal to the line of sight. |
| C. | decreases if the staff is tilted away from normal |
| D. | increases if the staff is tilted towards normal. |
| Answer» C. decreases if the staff is tilted away from normal | |