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UPSC Civil Service Exam Questions

Q1: If the difference of height between two points is 1 m and the slope distance between them is 100 m, then accuracy of slope correction determination could be 1 in 1, 00, 000, provided the heights are measured with an accuracy of

A ± 0.1 cm

B ± 0.5 cm

C ± 1.0 cm

D ± 5.0 cm

ANS:A - ± 0.1 cm

As per my view, here accuracy given 1 in 100000 that means if we go 100000 m in sloping length the level diff will be (+,-) 1m , then if we go 100 m then in this accuracy level diff will be =100/100000=1/1000 m (+,-) mean 0.1 cm (+,-).



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