engineering recuitment BPSC AE Mock Test 2025 Thermodynamics Ideal and Real Gases Van-Der Waals Equation
Van der Waals' equation of state is given by \((p\;+\;\frac{{a}}{{v^2}})(v\;-\;b)=RT\). The constant b in the equation in terms of specific volume at critical point vc is equal to.
1
\(\frac{{v_c}}{{3}}\)
2
2vc
3
3vc
4
\(\frac{{8a}}{{27v_cR}}\)