A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings
were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff
readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up
at S should be
(A) 1.435
(B) 1.345
(C) 1.425
(D) None of these
were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff
readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up
at S should be
(A) 1.435
(B) 1.345
(C) 1.425
(D) None of these