Magnetic declination is defined as:
Choose the correct answer
Dip of compass needle from horizontal
Angle between true north and magnetic north at a given location
Error in level rod reading
Difference between consecutive readings in levelling
Correct Answer
B. Angle between true north and magnetic north at a given location
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Magnetic declination = horizontal angle between true north and magnetic north at a location. It varies with location and time. East declination: magnetic north is east of true north (bearing correction: subtract from magnetic bearing to get true bearing). West declination: add.
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