Q. The orthogonal projection of the perspective centre on a tilted photograph, is called

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Q. The principal plane contains

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Q. The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as

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Q. Pick up the correct statement from the following :

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Q. The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is

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Q. A nautical mile is

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Q. The following points form a pair of homologous points :

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Q. The latitude of the observer's position, is

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Q. If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be

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Q. The position of the sun when its north declination is maximum is known as

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Q. Pick up the correct statement from the following :

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Q. For mapping any country

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Q. The negative sign is assigned to

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Q. Pick up the correct statement from the following :

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Q. The method of surveying by triangula-tion was first introduced by the Dutchman Snell in

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Q. Right ascension of a heavenly body is its equatorial angular distance measured

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Q. Pick up the incorrect statement from the following. In a spherical triangle

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Q. Pick up the correct statement from the following :

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Q. The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between

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Q. If S is the sum of three angles of a spherical triangle, the spherical excess equals

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