Neutral axis of a beam always coincides with
a. Axis passing through bottom of beam
b. Axis passing through height h/2 from bottom
c. Axis passing through height h/3 from bottom
d. Axis passing through centroid
a. Axis passing through bottom of beam
b. Axis passing through height h/2 from bottom
c. Axis passing through height h/3 from bottom
d. Axis passing through centroid