

MCQOPTIONS
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1. |
_The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is$? |
A. | f/H |
B. | f/(H + h) |
C. | f/(H - h) |
D. | (H - h)/f |
Answer» D. (H - h)/f | |