what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic

EduRev

All Courses

Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity

Open App

Class 11 Exam > Class 11 Questions > what is critical velocity? Related: Reynold'...

Join the Discussion on the App

what is critical velocity?

Join for Free

Join for Free

Verified Answer

what is critical velocity? Related: Reynold's Number : Viscosity and ...

Critical velocity is the speed that a falling object reaches when gravity and air resistance equalize on the object.

In fluid mechanics Critical velocity is the speed and direction at which the flow of a liquid through a tube changes from smooth, or "laminar," to turbulent.The constant horizontal velocity given to the satellite so as to put it into stable circular orbit around the earth is called as critical velocity.

This question is part of UPSC exam. View all Class 11 courses

View all answers Start learning for free

Explore Courses for Class 11 exam

Similar Class 11 Doubts

what is excess pressure? Related: Surface Tension : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physics

View answer

Needed a Document for Viscosity? Related: Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physics

View answer

Attempt All sub parts from each question.Newtonian and non-Newtonian fluid: Viscosity is the physical property that characterizes the flow resistance of simple fluids. Newton’s law of viscosity defines the relationship between the shear stress and shear rate of a fluid subjected to a mechanical stress. The ratio of shear stress to shear rate is a constant, for a given temperature and pressure, and is defined as the viscosity or coefficient of viscosity. Newtonian fluids obey Newton’s law of viscosity. The viscosity is independent of the shear rate. Example: air, water, alcohol etc. Non-Newtonian fluids do not follow Newton’s law thus, their viscosity (ratio of shear stress to shear rat e) is not constant and is dependent on the shear rate. Example: honey, ketchup etc. Non-Newtonian fluids can be categorized into four types based on the way a fluid’s viscosity changes in response to variations in shear rate.• Pseudoplastic: Materials whose viscosity decreases as the shear rate increases. This type of flow behavior is sometimes called shear thinning. Example: Cake batter, agar-agar and fruit juice concentrates, nail polish etc.• Dilatant: M aterials whose viscosity increases as the shear rate increases. This type of behavior is sometimes called shear-thickening. Example: Suspension of corn starch in water and candy compounds etc..• Thixotropic: M aterials whose viscosity decreases when sheared at a constant rate over time. Example: Yogurt, gelatin gel, honey etc.• Rheopectic: M aterials whose viscosity increases when sheared at a constant rate over time. Example: Printer ink, gypsum paste etc.Q. Newton’s law of viscosity states

View answer

what is terminal velocity Related: Terminal velocity - Mechanical Properties of Fluids

View answer

tensor quantity Related: Fluids and Related Terms - Mechanical Properties of Fluids, Class 11, Physics

View answer

Top Courses for Class 11View all

Chemistry Class 11

CUET Mock Test: Humanities Subjects 2025

English Class 11

Mathematics (Maths) Class 11

Psychology Practice Tests: CUET Preparation

Top Courses for Class 11

View all

what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic

Share with a Friend

Answer this doubt

Question Description
what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic.

Solutions for what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic in English & in Hindi are available as part of our courses for Class 11. Download more important topics, notes, lectures and mock test series for Class 11 Exam by signing up for free.

Here you can find the meaning of what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic defined & explained in the simplest way possible. Besides giving the explanation of what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic, a detailed solution for what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic has been provided alongside types of what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic theory, EduRev gives you an ample number of questions to practice what is critical velocity? Related: Reynold's Number : Viscosity and Poiseuille flow - Mechanical Properties of Fluids, Class 11, Physic tests, examples and also practice Class 11 tests.

Explore Courses for Class 11 exam