एक तरल प्रवाह में, विक्षुब्ध प्रवाह (turbulent flow) को निम्नलिखित में से किसके द्वारा विशेषता दी जाती 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?