EXAMIANS
For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through
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The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on
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Latitude of the observer's position is equal to altitude of
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The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called
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For a line AB
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For a tacheometer the additive and multi-plying constants are respectively
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Subtense bar is an instrument used for
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In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of
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If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good
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The difference between a level line and a horizontal line is that
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