In a Prismatic Compass the Zero is Marked on the

Answer: C. South end

In a prismatic compass the zero is marked on the South end.

Solution

Prismatic compass

• In the prismatic compass, sighting an object and reading the bearing are done simultaneously.
• It is smaller in size (85 - 110 mm dia.) and a broad needle with aluminium ring is used in this compass;  agate cap is fitted with compass.
• In prismatic compass,the requirement of a tripod is not essential.
• Graduation is inverted in a prismatic compass.
• Angles measured by prismatic compass are in whole circle bearing having 0º at south,90º at west, 180º at north and 270º at east.
• Hence, In a prismatic compass the zero is marked on the south end.

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