While making astronomical observations, the observer is mainly concern – McqOptions

MCQOPTIONS

1.	While making astronomical observations, the observer is mainly concerned with
A.	the direction of the vertical, the axis of rotation of the instrument
B.	the direction of the poles of the celestial sphere
C.	the direction of the star from the instrument
D.	all the above.
Answer» E.

Discussion

No Comment Found

Related MCQs

The movement of the projector in -direction, introduces in the model a -parallax
The parallax equation is applicable to entire overlap of the photographs only if parallax is measured
The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height is 100 m. If mean photo base is 95.2 mm, the flying height is
The displacement of the pictured position of a point of elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is
α and β are the angles subtended by a point of elevation at their air station with respective plumb points. Photo scale and focal length of the lens being and respectively. Parallax displacement of the point due to relief, is
If α, , and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good
A nautical mile is
By raising the -column of right projector, maximum -parallax is introduced in the model at
By applying clockwise swing to right projector, maximum -parallax is introduced in the model at
If is the focal length of the camera lens and θ is the angle of tilt, the distance of the plumb point from the principal point will be