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In this paper we have determined the curvature K of the magnetic line just behind a pseudo-stationary shock, on the assumption that magnetic field and velocity vector are parallel. Similar problem has been solved by Pant for stationary shock. Magnetic field and velocity vector if codirectional in front of the shock, are also automatically codirectional behind the shock. We define the shock curve to be the curve of intersection of the shock surface and the plane of flow. The flow in front of the shock has been assumed to be uniform throughout the paper.

Kanwal established two linear relations between vorticity and current density generated behind shock waves in two dimensional stationary flows of conducting gases. He also showed that vorticity generated by a shock in conducting gases is no longer derivable purely from dynamical relations as in non-conducting gases. The object of the present paper is to generalize Kanwal's result to pseudo-stationary case by employing an easier and shorter technique for investigating two linear relations between vorticity and current density generated behind a pseudo-stationary magneto-gas dynamic shock wave in plane flows.

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