एक वेंचुरीमीटर में, अभिसारी शंकु (convergent cone) की तुलना में अपसारी शंकु (divergent cone) को कम कोण के साथ अधिक लंबा क्यों रखा जाता है?

The ratio of the specific weight of a liquid to the specific weight of a standard fluid is known as:

The magnitude of the buoyant force depends on the _____________.

In incompressible fluid dynamics, the continuity equation is ∂u/∂x + ∂v/∂y + ∂w/∂z = 0. What physical law does this equation represent?