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FAQs on DC Pandey Solutions: Fluid Mechanics- 2 - DC Pandey Solutions for NEET Physics

1. What are the different types of fluids considered in fluid mechanics?
Ans. Fluid mechanics considers two types of fluids: liquids and gases. Liquids have a definite volume but no definite shape, while gases have neither a definite volume nor a definite shape.
2. What is the principle of Pascal's law in fluid mechanics?
Ans. Pascal's law states that when an external pressure is applied to a fluid confined in a container, the pressure is transmitted equally in all directions. This principle is the basis for hydraulic systems and is used to understand the behavior of fluids under pressure.
3. How is viscosity defined in fluid mechanics?
Ans. Viscosity is a measure of a fluid's resistance to flow. It is a property that describes the internal friction of a fluid as it flows. A fluid with high viscosity flows slowly, while a fluid with low viscosity flows more easily.
4. What is Bernoulli's equation and how is it used in fluid mechanics?
Ans. Bernoulli's equation is a fundamental equation in fluid mechanics that relates the pressure, velocity, and height of a fluid. It states that as the velocity of a fluid increases, its pressure decreases, and vice versa. This equation is used to analyze the flow of fluids in various applications, such as in pipes, airplanes, and automobiles.
5. What are the applications of fluid mechanics in real life?
Ans. Fluid mechanics has numerous applications in real life, including designing efficient transportation systems, understanding weather patterns, designing efficient turbines and pumps, analyzing blood flow in the human body, and designing aircraft and spacecraft. It also plays a crucial role in industries such as oil and gas, chemical engineering, and environmental engineering.
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