Home
Class 11
PHYSICS
Assertion: Bernoulli's equation hold for...

Assertion: Bernoulli's equation hold for non-steady or turbulent flows.
Reason: In these situations, velocity and pressure are constant with time.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true and reason is false.

D

If both assertion and reason are false.

Text Solution

AI Generated Solution

The correct Answer is:
To analyze the given assertion and reason, we will break down the concepts related to Bernoulli's equation and the nature of fluid flow. ### Step-by-Step Solution: 1. **Understanding Bernoulli's Equation**: - Bernoulli's equation applies to incompressible, non-viscous fluids in steady flow. It relates the pressure, velocity, and height at two points in a fluid flow. 2. **Assertion Analysis**: - The assertion states: "Bernoulli's equation holds for non-steady or turbulent flows." - This is **false**. Bernoulli's equation is primarily applicable to steady, laminar flows. In turbulent flows, the assumptions of constant velocity and pressure do not hold, and the equation cannot be directly applied. 3. **Reason Analysis**: - The reason states: "In these situations, velocity and pressure are constant with time." - This is also **false**. In turbulent flows, both velocity and pressure fluctuate and are not constant over time. Therefore, this reason does not support the assertion. 4. **Conclusion**: - Since both the assertion and the reason are false, the correct answer is that both the assertion and reason are incorrect. ### Final Answer: Both the assertion and the reason are false.

To analyze the given assertion and reason, we will break down the concepts related to Bernoulli's equation and the nature of fluid flow. ### Step-by-Step Solution: 1. **Understanding Bernoulli's Equation**: - Bernoulli's equation applies to incompressible, non-viscous fluids in steady flow. It relates the pressure, velocity, and height at two points in a fluid flow. 2. **Assertion Analysis**: ...
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF FLUIDS

    NCERT FINGERTIPS ENGLISH|Exercise Pressure|28 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    NCERT FINGERTIPS ENGLISH|Exercise Streamline Flow|7 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    NCERT FINGERTIPS ENGLISH|Exercise Exemplar Problems|5 Videos
  • LAWS OF MOTION

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • MECHANICAL PROPERTIES OF SOLIDS

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Bernoulli's equation for steady, non-viscous, imcompressible flow expresses the

Write Bernoulli's equation pointing out pressure head and velocity head.

Assertion : Bernoulli's theorem is applicable only on laminar flow. Reason : Laminar flow is consider to be non viscous.

Assertion: van der Waals equation is applicable only to non-ideal gases. Reason: Ideal gases obey the equation PV=nRT .

Assertion: van der Waals equation is applicable only to non-ideal gases. Reason: Ideal gases obey the equation PV=nRT .

Assertion : Kinematic equations are exact and are always correct. Reason : The definitions of instantaneous velocity and acceleration are true only for motion in which the magnitude and direction of acceleration are constant during the course of motion.

Assertion : The living state is an equilibrium steady state ot be able to perform work. Reason : Living process is a constant effort to prevent falling into non-equilibrium.

Assertion: An object can have constant speed but variable velocity. Reason: Speed is a scalar but velocity is a vector quantity.

Assertion: The flow of fluid is said to be steady if at any given point, the velocity of each passing fluid particle remains constant. Reason: The path taken by a fluid particle under a steady flow is a streamline.

Assertion : A body is moving along a circle with a constant speed. Its angular momentum about the centre of the circle remains constant Reason : In this situation, a constant non-zero torque acts on the body.