| Q. |
Which of the following constructions use parabolic curves? |
| A. | cooling towers |
| B. | water channels |
| C. | light reflectors |
| D. | man-holes |
| Answer» C. light reflectors | |
| Explanation: arches, bridges, sound reflectors, light reflectors etc use parabolic curves. cooling towers, water channels use hyperbolic curves as their design. arches, | |
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