Q. Which of the following cases determine that the astronomical triangle is right angled?

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Q. Napier’s rule is used for the calculation of___________

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Q. If the star is at horizon which of the following will be equal to zero?

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Q. A star crosses a meridian only once in its revolution.

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Q. Which of the following is obtained from astronomical triangle?

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Q. Which of the following cases is not related to astronomical triangle?

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Q. The stars which always move above the horizon are called as__________

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Q. The culmination of the star depends upon which of the following factors?

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Q. If the star is at elongation, find the altitude of the celestial body having declination and latitude as 24˚56ꞌ and 21˚43ꞌ.

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Q. The relation between altitude and latitude of the observer can be given as__________

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Q. The sign for the deflection angle depends upon _______________

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Q. Determine the latitude of the observer if the altitude of the pole is given as 23˚41ꞌ.

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Q. Find the latitude of the observer if the declination is about 54˚32ꞌ having a meridian zenith of about 10m.

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Q. Find the difference of longitude between A = 30˚E and B = 160˚E.

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Q. If longitudes of A and B are given as 32˚12ꞌ W, 44˚2ꞌ W having latitude 29˚24ꞌ. Find the distance in km between the points A and B.

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Q. Which of the following indicates the formula for hour angle of equinox?

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Q. The distance between the points in a celestial body can be determined by using __________

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Q. Determine the zenith distance if the declination of star is given as 74˚32ꞌ and the latitude of the observer as 54˚21ꞌ.

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Q. If the zenith distance is given as 26˚57ꞌ, find the altitude of the star at upper culmination.

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Q. Correction for parallax is given as ___________

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