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Question

A vertical photograph was taken at an altitude of 1800 m above MSL. If the focal length of the camera is 30 cm, then the scale of the photograph for a terrain lying at an elevation of 800 m is 1:________
  1. 3333.33

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Solution

The correct option is A 3333.33
Scale, S=fHh=30×1021800800
=13333.33

Therefore, scale of photograph is 1: 3333.33.

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