SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Surveying Compass Surveying and Theodolite
The height of the tower above horizontal line of collimation of theodolite fixed at a horizontal distance of 30√3m from it is 30 m. Then angle of inclination of theodolite is:
1
30°
2
90°
3
60°
4
45°