The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is

23*30* would be the correct answer.

following reading were taken by using auto level BM is 100m 0.865,2.105,1.025,1.580,1.865,2.25,2.835,2.400,1.760 calculate RL of points instrument was shifted after 5th and 7th reading then check is..... (use suitable method)
8 points
0.945
-0.945
0.955
-0.955
Answer please questions

B

It should have been option (c) 23 degree 30 minute, as the axis of the earth is inclined to the plane of the ecliptic at an angle of 66 degree 30 minute

How dear please have a explanation??

How, it can explain me

How

how??