EXAMIANS
If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is
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Right ascension of a heavenly body is its equatorial angular distance measured
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For accurate work, the steel band should always be used in preference to chain because the steel band
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If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is
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Longitude of a place is the angular distance between the meridian of the place and
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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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The great circle which passes through the zenith, nadir and the poles, is known as
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The sensitivity of a bubble tube can be increased by
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The length of a parallel of λ latitude between two meridians is equal to difference in longitudes multiplied by
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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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