In a vertical photograph taken from an altitude of 2800 m, a chimney of height 100 m, appears at a distance of 80 mm from the principal point. The elevation of base of chimney is 1200 m. The relief displacement (d) of the top of the chimney from the bottom and the horizontal distance 'B' of aircraft from the chimney are given by (Assume focal length of camera = 200 mm).
In a vertical photograph taken from an altitude of 2800 m, a chimney of height 100 m, appears at a distance of 80 mm from the principal point. The elevation of base of chimney is 1200 m. The relief displacement (d) of the top of the chimney from the bottom and the horizontal distance 'B' of aircraft from the chimney are given by (Assume focal length of camera = 200 mm).
Chapter2: Loads On Structures
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Transcribed Image Text:In a vertical photograph taken from an altitude of 2800 m, a chimney of height 100 m,
appears at a distance of 80 mm from the principal point. The elevation of base of chimney
is 1200 m. The relief displacement (d) of the top of the chimney from the bottom and the
horizontal distance 'B' of aircraft from the chimney are given by (Assume focal length of
camera = 200 mm).
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