Question

An isobar is a curve connecting all points of _______ below the ground.

(a) equal vertical pressure

(b) unequal vertical pressure

(c) equal horizontal pressure

(d) unequal horizontal pressure

I got this question in unit test.

My query is from Stress Distribution topic in section Stress Distribution of Geotechnical Engineering I

Answer 1

Right option is (a) equal vertical pressure

Easiest explanation: An isobar is a curve or contour connecting all points below the ground surface or ground level of equal vertical pressure. In an isobar, at each and every point the vertical pressure is same.