Two moles of an ideal gas with C P /C V = 5/3 are mixed with 3 moles of another ideal gas with C P /C V = 4/3. The value of C P /C V for the mixture is:

Thermodynamics: JEE Main 2020 Physics question

JEE Main 2020 · 7 Jan, Morning shift · Q7458

JEE Main 20207 Jan, Morning shiftPhysicsMediumThermodynamics163× since 2002

Two moles of an ideal gas with

{{{C_P}} \over {{C_V}}} = {5 \over 3}

are mixed with 3 moles of another ideal gas with

{{{C_P}} \over {{C_V}}} = {4 \over 3}

. The value of

{{{C_P}} \over {{C_V}}}

for the mixture is :