Szukana fraza: [Opis = "In solving the problem of the R\-T instability the appropriate boundary conditions will be applied. The couple\-stress parameter is found to be stabilizing and the influence of the various parameters involved in the problem on the interface stability is thoroughly analyzed. The new results will be obtained by plotting the curves between the dimensionless growth rate and the dimensionless wave number for various physical parameters involved in the problem \(viz. the magnetic field, couple\-stress, porosity, etc.\) in the problem. It is found that the magnetic field and couple\-stress have a stabilization effect whereas the buoyancy force \(surface tension\) has a destabilization effect on the RT instability in the presence of porous media."]

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