39751. The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
39752. The normal longitudinal overlap is generally kept
39753. Pick up the in-correct statement from the folowing :
39754. Triangulation surveys are carried out for providing
39755. Sidereal day
39756. Pick up the correct statement for horizontal photographs.
39757. 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
39758. The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
39759. In a truly vertical photograph,
39760. 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
39761. For a spherical triangle ABC, pick up incorrect statement
39762. A plate parallel is the line on the plane of the negative
39763. The great circle which passes through the zenith, nadir and the poles, is known as
39764. In triangulation surveys
39765. If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about
39766. The distance between the projection centre and the photograph, is called
39767. The zenith is the point on the celestial sphere
39768. Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year
39769. To have greatest coverage of the area, the type of photography used, is
39770. The sidereal day is the time interval between two successive upper transits of
39771. Which among the following is a protozoal disease of poultry?
39772. Pick up the in-correct statement from the following :
39773. The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on
39774. If δ is the declination of the Polaris and λ is the latitude of the place, the azimuth of the polaris, is
39775. Stellar astronomy deals with
39776. If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is
39777. The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is
39778. The point at which sun's declination changes from north to south, is known as
39779. --------is an anti-sterility vitamin
39780. A star in northern sphere is said to transit
39781. In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of
39782. Pick up the incorrect statement from the following. The angular distance of hevenly bodies on observer's meridian measured from the pole, is
39783. FMD vaccination campaign in Kerala is---------
39784. Parallax bar measures
39785. The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above
39786. In a spherical triangle ABC, right angled at C, sin b equals
39787. Heart is situated in----------cavity.
39788. In a spherical triangle ABC right angled at C, sin b equals to
39789. The slotted template method
39790. The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on
39791. The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is
39792. The principal line is the line joining the principal point and
39793. Longitudes are measured from 0° to
39794. If the distance between the projectors is altered by a movement along X-axis of one projector,
39795. Rotation of the camera at exposure about horizontal axis normal to the line of flight, is known as
39796. The solar tidal force divided by lunar tidal force is
39797. At lower culmination, the pole star moves
39798. 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
39799. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is
39800. The angle between the observer's meridian and declination circle of a heavenly body, is known as
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