If δ is the declination of the star and φ is the latitude of the obs – McqOptions

MCQOPTIONS

1.	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
A.	sin H = tan φ . cot δ
B.	cos H = tan φ . cot δ
C.	tan H = tan φ . cot δ
D.	none of these.
Answer» C. tan H = tan φ . cot δ

Discussion

No Comment Found

Related MCQs

By applying clockwise swing to right projector, maximum y-parallax is introduced in the model at
The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on
The distance between the projection centre and the photograph, is called
The principal line is the line joining the principal point and
The angle between the observer's meridian and declination circle of a heavenly body, is known as
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
The net ground area of a vertical photograph 20 cm x 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is
The orthogonal projection of the perspective centre on a tilted photograph, is called
The length of a parallel of λ latitude between two meridians is equal to difference in logitudes multiplied by
The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on