Q. The length of a parallel of λ latitude between two meridians is equal to difference in logitudes multiplied by

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Q. The nautical mile is the length of

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Q. The meridian of a place is

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Q. The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above

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Q. In a spherical triangle ABC, right angled at C, sin b equals

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Q. Pick up the correct statement from the following :

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Q. In a spherical triangle ABC right angled at C, sin b equals to

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Q. The slotted template method

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Q. Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as

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Q. The solar tidal force divided by lunar tidal force is

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Q. At lower culmination, the pole star moves

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Q. If δ is the declination of the star and φ is the latitude of the observer, then the azimuth of the star at elongation is given by

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Q. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is

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Q. The sidereal day is the time interval between two successive upper transits of

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Q. Pick up the correct statement from the following :

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Q. Pick up the in-correct statement from the following :

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Q. The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on

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Q. If δ is the declination of the star and φ is the latitude of the observer then the hour angle of the star at elongation is given by

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Q. At upper culmination, the pole star moves

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Q. G.M.T. corresponding to given mean time, equals

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