The imaginary line passing through the intersection of cross hairs and optical center of the objective is known as

کراس ہیئرز اور مقصد کے نظری مرکز کے چوراہے سے گزرنے والی خیالی لکیر کو کیا کہا جاتا ہے۔
Answer: Line of collimation
Explanation
This question appeared in Past Papers (1 times)
Civil Engineer Past Paper (1 times)
This question appeared in Subjects (2 times)

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