101. The great circle which passes through the zenith, nadir and the poles, is known as
102. Pick up the correct statement from the following:
103. Pick up the correct statement from the following:
104. The following points form a pair of homologous points:
105. The necessary geometrical condition for triangulation adjustment is:
106. If α is the observed altitude, the refraction correction in seconds, is
107. The elevation of the star at elongation is obtained by
108. For adjusting a quadrilateral whose both the diagonals are observed, the equations of conditions involved, are
109. An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as
110. The angle of intersection of the two plane mirrors of an optical square is
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