The imaginary line passing through the intersection of cross hairs and optical center of the objectives known as
ALine of sight
BLine of collimation
CAxis of telescope
DNone of these
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Related Questions:
Which of the following instrument is used for the measurement of pore water pressure?
Select the wrong statement from below, which is the essential condition for parallel operation of two or more transformers.
A stable submerged body has:
The line lying through on a level surface & normal to the plumb line is:
The angle between two plain mirrors of an optical square is