Question

Isobaric modulus of elasticity is equal to zero when the process is:

• A. Isochoric
• B. Isothermal
• C. Adiabatic
• D. Isobaric

Answer 1

Answer: (D)

$B=-\frac{\Delta P}{\Delta V/V}$
for isobaric process $\Delta P=0$
$\Rightarrow B=0$