The state of plane stress at a point is described by \[{{\sigma }_{x}}={{\sigma }_{y}}\] and \[{{\tau }_{xy}}=0.\] The normal stress on the plane inclined at \[45{}^\circ \] to the x-plane will be

The state of plane stress at a point is described by \[{{\sigma }_{x}}

1.	The state of plane stress at a point is described by \[{{\sigma }_{x}}={{\sigma }_{y}}\] and \[{{\tau }_{xy}}=0.\] The normal stress on the plane inclined at \[45{}^\circ \] to the x-plane will be
A.	\[\sigma \]
B.	\[\sqrt{2\sigma }\]
C.	\[\sqrt{3\sigma }\]
D.	\[2\sigma \]
Answer» B. \[\sqrt{2\sigma }\]

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The state of plane stress at a point is described by \[{{\sigma }_{x}}={{\sigma }_{y}}\] and \[{{\tau }_{xy}}=0.\] The normal stress on the plane inclined at \[45{}^\circ \] to the x-plane will be

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