Question : Whose law states that total energy per unit mass of flowing fluid, at any point in the subsurface, is the sum of the kinetic, potential and fluid-pressure energy and is equal to a constant value?
Option 1: Daniel Bernoulli
Option 2: Evangelista Torricelli
Option 3: Blaise Pascal
Option 4: Marie Poiseuille
Correct Answer: Daniel Bernoulli
Solution : The correct option is Daniel Bernoulli .
Bernoulli's principle, which is named after Daniel Bernoulli, a Swiss mathematician and physicist, states that the total energy per unit mass of flowing fluid at any point in the subsurface (or any point in the flow) is the sum of its kinetic energy, potential energy, and fluid pressure energy. This principle is fundamental in fluid dynamics and is used to explain various phenomena, including the behaviour of fluids in pipes, the lift of an aeroplane wing, and much more.
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