試題詳解

The first aerial photos were taken by Nadar in 1858 over Paris. Imagine him taking a photograph aiming directly towards the ground with his camera negative size 8 x 8 cm, and capturing a ground area of 160 x 160 meters. What would be the scale if you enlarged that negative onto a 40 x 40 cm paper?
(A) 1:20
(B) 1:400
(C) 1:2 000
(D) 1:5 000