Question

Question #54ef6

Answer 1

Specific heat for polytropic process is given as`Cv+(R/(1-x))`
Or,`{R/(gamma-1)}+{R/(1-x)}`
Where,`PV^x`=constant
Given,`PV^4`= constant ,so x=4 and `gamma`=7/5(diatomic gas)
Hence putting the values we get,
Specific heat=13R/6