Calculate the combined correction, due to refraction and Earth's curvature, in levelling (surveying) for a distance of 2500 m.
2500 ehVj dh nwjh ds fy, leryhdj.k (losZ{k.k) esa viorZu vkSj i`Foh dh oØrk ds dkj.k la;qDr lq/kkj dh x.kuk djsaA
0.070 m
0.420 m
0.490 m
0.168 m
0.420 m
As we know that,
Combined correction (in m) = 0.0673 (d)2 where, d = 2.5 km
so that Combined correction = 0.0673 × (2.5)2= 0.420 m
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's