SSC JE Civil Engineering 2018 Set 6 Solved Paper

Question : 130 of 200

Marks: +1, -0

Which of the following is true for the correction for the curvature?

It is proportional to the distance between the staff and instrument.
It is always negative and proportional to square of distance between the staff and instrument
It is always positive and proportional to square of distance between the staff and instrument
It is always positive and proportional to the distance between the staff and instrument

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