MEDIUM
11th West Bengal Board
IMPORTANT
Earn 100

State the characteristics of streamline motion. When does a streamline motion turn into turbulent motion? Give a common example of it.

Important Questions on Fluid Dynamics

HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 2
What is critical velocity of fluid? From dimensional analysis find an expression fur the critical velocity. Define Reynold's number and state its significance.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 3
What is viscous force ? Explain how this force originates.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 4

What are laminar flow and velocity profile ? Draw the velocity profiles for the laminar flow of a liquid

flowing through a tube and

HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 4

What are laminar flow and velocity profile ? Draw the velocity profiles for the laminar flow of a liquid

flowing over a solid surface.

HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 5
What is an ideal liquid? Draw the velocity profile of an ideal liquid flowing through a tube.
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 6
State Newton's law of viscous flow. From this law define the coefficient of viscosity. What happens if the fluid is non-Newtonian?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 7
Discuss the effect of temperature and pressure on the coefficient of viscosity.
HARD
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 8
What happens when a small body moves through a viscous fluid under a constant force? State Stokes' law. What is terminal velocity? Obtain an expression for terminal velocity for a particle falling under gravity through a viscous fluid.