Q. The shortest distance between two places measured along the surface of the earth, is

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Q. The correction for parallax, is

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Q. The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is

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Q. Systematic errors

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Q. Perspective centre relates to

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Q. At western elongation, the pole star moves

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Q. Pick up the correct statement from the following :

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Q. The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude :

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Q. By raising the z-column of right projector, maximum y-parallax is introduced in the model at

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Q. The height displacement on a vertical photograph

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Q. The equation which is obtained by multiplying each equation by the coefficient of its un-knowns and by adding the equations thus formed, is known as

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Q. Accidental errors

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Q. If θ and δ be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is

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Q. In a tropical year, the number of sidereal days are

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Q. The position of a heavenly body on the celestial sphere can be completely specified by

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Q. The point on the celestial sphere vertically below the observer's position, is called

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Q. The stereo plotting instruments are generally manufactured on the principle of

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Q. Latitude of a place is the angular distance from

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Q. International date line is located along

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Q. Places having same latitude

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