The relief displacement of a minar 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is
Options
A. 500 m
B. 1000 m
C. 1500 m
D. 2000 m.
Correct Answer
1000 m
More questions
1. The increased cohesiveness of concrete, makes it
Options
A. less liable to segregation
B. more liable to segregation
C. more liable to bleeding
D. more liable for surface scaling in frosty weather