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| Q.143 | The stadia readings with horizontal sight at a vertical staff held 50 m away from the tacheometer were 1.385 and 2.380. The focal length of the object glass was 25 cm. The distance between the object glass and the trunnion axis of a tacheometer was 15 cm. Calculate the stadia interval. | |
| Ans | 1. 5 mm | |
| 2. 6 mm | ||
| 3. 4 mm | ||
| 4. 7 mm |
Correct Ans Provided: 1
