Physics · Surveying
Match List-I with List-II and select the correct match: List-I (Terms) A. Telescope axis B. Line of Collimation C. Face left observation D. Changing face E. Centering List-II (Definitions) P. It is the line joining the intersection of the crosshairs to the optical centre of the object-glass and its continuation. Q. It is the operation of changing from face left to face right and vice versa. R. It is the line joining the optical centre of the object-glass to the centre of the eyepiece. S. Setting the theodolite exactly over the station mark. T. It is the reading taken when the instrument is in the normal or face left position.
- 1A - R, B - P, C - T, D - S, E - Q
- 2A - R, B - P, C - T, D - Q, E - S✓
- 3A - R, B - P, C - S, D - Q, E - T
- 4A - R, B - P, C - S, D - T, E - Q
Correct answer
A - R, B - P, C - T, D - Q, E - S
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