If a prismatic bar be subjected to an axial tensile stress \[\sigma \] then shear stress induced on a plane inclined at \[\theta \] with the axis will be:

\[\frac{\sigma }{2}\,\cos 2\theta \]

\[\frac{\sigma }{2}\,\sin 2\theta \]

\[\frac{\sigma }{2}\,{{\cos }^{2}}\theta \]

\[\frac{\sigma }{2}\,{{\sin }^{2}}\theta \]

If a prismatic bar be subjected to an axial tensile stress \[\sigma \]

1.	If a prismatic bar be subjected to an axial tensile stress \[\sigma \] then shear stress induced on a plane inclined at \[\theta \] with the axis will be:
A.	\[\frac{\sigma }{2}\,\sin 2\theta \]
B.	\[\frac{\sigma }{2}\,\cos 2\theta \]
C.	\[\frac{\sigma }{2}\,{{\cos }^{2}}\theta \]
D.	\[\frac{\sigma }{2}\,{{\sin }^{2}}\theta \]
Answer» B. \[\frac{\sigma }{2}\,\cos 2\theta \]

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If a prismatic bar be subjected to an axial tensile stress \[\sigma \] then shear stress induced on a plane inclined at \[\theta \] with the axis will be:

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