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1. |
In an aerial photo, the image of the top of a tower is found to be 10 cm from the centre of thephotograph. If the height of the tower is 100 m and the flying height of the aircraft is 1000 m above the average terrain height, then the height displacement of the image from the true position will be |
A. | 10 mm |
B. | 20 mm |
C. | 50 mm |
D. | 100 mm |
Answer» B. 20 mm | |