SSC JE Civil Engineering 2017 Set 2 Solved Paper

At a point in a strained material, if two mutually perpendicular tensile stresses of 2000 kg/$\mathit{c}{\mathit{m}}^2$ and 1000 kg/$\mathit{c}{\mathit{m}}^2$ are acting ,then the intensity tensile stress on a plane inclined at 150 to the axis of the minor stress will be ______.