c
અચલ કદે \(T\,\, \propto \,\,P\,\,\,\,\therefore \,\,\,\,\frac{{\Delta T}}{T}\,\, \times \,\,100\,\,\, = \,\,\,\frac{{\Delta P}}{P}\,\, \times \,\,100\,\,\, = \,\,\,0.5\,\,\)
\( \Rightarrow \,\,T\,\, = \,\,\,\frac{{5\,\, \times \,\,100}}{{0.5}}\,\,\, = \,\,1000\,\,\,K\)