GATE Civil Engineering
0 votes

A square area (on the surface of the earth) with side $100$ m and uniform height, appears as $1 \: cm^2$ on a vertical aerial photograph. The topographic map shows that a contour of $650$ m passes through the area. If focal length of the camera lens is $150$ mm, the height from which the aerial photograph was taken, is

  1. $800$ m
  2. $1500$ m
  3. $2150$ m
  4. $3150$ m
in Others by (3.9k points)
retagged by

Please log in or register to answer this question.

Welcome to GATE Civil Q&A, where you can ask questions and receive answers from other members of the community.
Top Users Sep 2020
    1,042 questions
    95 answers
    44,028 users