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

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Q. The want of correspondence in stereo-photographs

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

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Q. Pick up the correct statement from the following :

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Q. If α is the observed altitude, the refraction correction in seconds, is

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Q. The value of geo-centric parallax to be added to the observed altitude of sun is

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Q. With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be

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Q. A star is said to elongate

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Q. 23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents

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Q. A plate parallel is the line on the plane of the negative

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Q. The great circle which passes through the zenith, nadir and the poles, is known as

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Q. In triangulation surveys

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Q. When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is

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Q. The distance between the minor control point and the principal point should be equal to

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Q. The great circle whose plane is perpendicular to the axis of rotation of the earth, is called

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Q. The Polaris describes a small circle round the pole whose radius is approximately

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Q. The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called

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Q. Sidereal day

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Q. Pick up the correct statement for horizontal photographs.

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Q. If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is

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