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Questions on topic Fluid Mechanics from Class 11-12 CBSE Physics

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Q1. What is the SI unit of pressure?

Pascal

Bar

Newton

Atmosphere

Q2. Which of the following equations is known as Bernoulli's equation?

P + 1/2 ρv² + ρgh = constant

F = ma

V = IR

PV = nRT

Q3. What is the principle of Archimedes?

An object submerged in a fluid experiences a buoyant force equal to the weight of the fluid displaced.

Pressure increases with depth in a fluid.

The speed of a fluid increases as its pressure decreases.

The weight of an object in a fluid is equal to its weight in air.

Q4. What does the term 'viscosity' refer to?

The measure of a fluid's resistance to flow.

The density of a fluid.

The speed of sound in a fluid.

The thermal conductivity of a fluid.

Q5. Which of the following is an example of a non-Newtonian fluid?

Water

Honey

Cornstarch in water

Air

Q6. What does Torricelli's theorem relate to?

The speed of a fluid flowing out of an orifice.

The pressure at different depths in a fluid.

The buoyant force on an object.

The viscosity of a fluid.

Q7. Which of the following forces is responsible for the upward buoyant force on a submerged object?

Gravitational force

Centrifugal force

Normal force

Pressure difference

Q8. What is the continuity equation in fluid mechanics?

A1V1 = A2V2

P1 + 1/2 ρv1² + ρgh1 = P2 + 1/2 ρv2² + ρgh2

F = ma

PV = nRT

Q9. Which fluid property is defined as the mass per unit volume?

Density

Pressure

Viscosity

Temperature

Q10. In a fluid at rest, what is the relationship between pressure and depth?

Pressure decreases with depth

Pressure is constant

Pressure increases with depth

Pressure is inversely proportional to depth

Questions on topic Fluid Mechanics from Class 11-12 CBSE Physics

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