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A square area (on the surface of the earth) with side $100 \mathrm{~m}$ and uniform height, appears as $1 \mathrm{~cm}^{2}$ on a vertical aerial photograph. The topographic map shows that a contour of $650 \mathrm{~m}$ passes through the area. If focal length of the camera lens is $150 \mathrm{~mm}$, the height from which the aerial photograph was taken, is
(A) $800 \mathrm{~m}$
(B) $1500 \mathrm{~m}$
(C) $2150 \mathrm{~m}$
(D) $3150 \mathrm{~m}$


Question ID - 1 | Toppr Answer

A square area (on the surface of the earth) with side $100 \mathrm{~m}$ and uniform height, appears as $1 \mathrm{~cm}^{2}$ on a vertical aerial photograph. The topographic map shows that a contour of $650 \mathrm{~m}$ passes through the area. If focal length of the camera lens is $150 \mathrm{~mm}$, the height from which the aerial photograph was taken, is
(A) $800 \mathrm{~m}$
(B) $1500 \mathrm{~m}$
(C) $2150 \mathrm{~m}$
(D) $3150 \mathrm{~m}$

1 Answer - 5876 Votes

3537

Answer Key : (C) -

$2150 \mathrm{~m}$



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