**Question**

**State Bernoulli’s theorem and write down its mathematical form. **

**Answer**

Bernoulli’s theorem states that in a steady flow of an incompressible fluid, the total energy of the fluid remains constant along a streamline.

Mathematically, it is expressed as P + (1/2)ρv^{2} + ρgh = constant, where P is the pressure, ρ is the density, v is the velocity, h is the height above a reference point, and g is the acceleration due to gravity.