The horizontal projection of the lines of earth's magnetic field at a point defines
AParallel of latitude through that point
BLongitude line through that point
CGeographical meridian through that point
DMagnetic meridian through that point
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Related Questions:
Finding the location of the station occupied by the table on the paper, by means of sighting to two well defined points whose locations have previously been plotted on the paper, is known as:
The horizontal angle between the meridian and the survey line measured in clockwise direction is called:
A theodolite fitted with ananallatic lens is known as
The field book in chain surveying is about ................. and opens length
The error which occurs when image formed by objective is not in the same plane with cross hairs of the telescope is: