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| Q. |
For checking straightness, straight edge is placed over a surface and these two are viewed against the light. Which of the following option true if colour of light is red? |
| A. | gap between 0.12 to 0.17 mm |
| B. | gap between 0.2 to 0.7 mm |
| C. | gap between 1.7 to 2 mm |
| D. | gap between 0.0012 to 0.0017 mm |
| Answer» D. gap between 0.0012 to 0.0017 mm | |
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