Select the correct statement for a Mach wave. – McqOptions

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1.	Select the correct statement for a Mach wave.
A.	M > 1
B.	\(\frac {P_2}{P_1}\)=0.528
C.	\(\frac {T_2}{T_1}\)=1
D.	\(\frac {\rho_2}{\rho_1}\)=∞
Answer» D. \(\frac {\rho_2}{\rho_1}\)=∞

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