Removal of parallax, may be achieved by focussing

Related MCQs

• In an internal focussing type of telescope, the lens provided is
• Local attraction in compass surveying may exist due to
• If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated
• In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
• Contours of different elevations may cross each other only in the case of
• In levelling, the effect of refraction may be taken as
• The deflection angle may have any value between
• The direct angles may have any value between
• The deflection angle may be directly obtained by setting the instrument to read