The height of aircraft for aerial photographic soil survey depends upon:

(a)  Scale of aerial photography

(b)  Type of camera

(c)  Focal length of camera

(d)  Area of photography

Select the correct answer:

Correct option is C

The height of the aircraft for aerial photographic soil survey is determined by the scale of aerial photography and the focal length of the camera. The scale defines the level of detail in the image, while the focal length impacts the altitude required to achieve the desired coverage area.