Calculate the horizontal distance of a point from the instrument, if the staff intercept is 2.5 m. The micrometer reading of the drum of the diaphragm is 3.2 and the micrometer screw has 100 threads in 1 cm. The focal length of the objective glass is 200 mm and the distance of the instrument axis from the centre of the object glass is 180 mm.
Calculate the horizontal distance of a point from the instrument, if the staff intercept is 2.5 m. The micrometer reading of the drum of the diaphragm is 3.2 and the micrometer screw has 100 threads in 1 cm. The focal length of the objective glass is 200 mm and the distance of the instrument axis from the centre of the object glass is 180 mm.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Calculate the horizontal distance of a point from the instrument, if the staff intercept
is 2.5 m. The micrometer reading of the drum of the diaphragm is 3.2 and the
micrometer screw has 100 threads in 1 cm. The focal length of the objective glass is
200 mm and the distance of the instrument axis from the centre of the object glass is
180 mm.
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