405 - SURVEYING - II (C) (2008 Scheme) Time : 3 Hours Max. Marks : 100 Answer all questions. I. (a) What is strength of figure in triangulation? (d) Determine the altitude and azimuth of a star from the following data Declination of the star is $22^{\circ} 30^{\prime} \mathrm{N}$, Hour angle is $42^{\circ} 06^{\prime}$ and latitude of the place of observation is $40^{\circ} \mathrm{N}$. IV (a) Derive an expression for scale of an aerial photograph.
Explanation
The altitude and azimuth of a star can be determined using the given formulas. The declination, hour angle, and latitude of the place of observation are used to calculate the altitude and azimuth.
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