For a convergent nozzle, what is the correct expression for the critical pressure, if the inlet pressure is \[{{P}_{1}}?\]

\[{{p}_{1}}{{\left( \frac{\gamma +1}{2} \right)}^{\gamma /\gamma -1}}\]

\[{{p}_{1}}{{\left( \frac{2}{\gamma +1} \right)}^{\gamma /\gamma -1}}\]

\[{{p}_{1}}{{\left( \frac{2}{\gamma +1} \right)}^{\gamma -1/\gamma }}\]

\[{{p}_{1}}{{\left( \frac{\gamma +1}{2} \right)}^{2\gamma /\gamma -1}}\]

For a convergent nozzle, what is the correct expression for the critic

1.	For a convergent nozzle, what is the correct expression for the critical pressure, if the inlet pressure is \[{{P}_{1}}?\]
A.	\[{{p}_{1}}{{\left( \frac{2}{\gamma +1} \right)}^{\gamma /\gamma -1}}\]
B.	\[{{p}_{1}}{{\left( \frac{\gamma +1}{2} \right)}^{\gamma /\gamma -1}}\]
C.	\[{{p}_{1}}{{\left( \frac{2}{\gamma +1} \right)}^{\gamma -1/\gamma }}\]
D.	\[{{p}_{1}}{{\left( \frac{\gamma +1}{2} \right)}^{2\gamma /\gamma -1}}\]
Answer» B. \[{{p}_{1}}{{\left( \frac{\gamma +1}{2} \right)}^{\gamma /\gamma -1}}\]

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For a convergent nozzle, what is the correct expression for the critical pressure, if the inlet pressure is \[{{P}_{1}}?\]

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