EASY
11th West Bengal Board
IMPORTANT
Earn 100

Draw the velocity-time graph of a small sphere falling from rest under gravity through a viscous liquid and indicate the terminal velocity in the graph.

Important Questions on Fluid Dynamics

EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 50
Often dense clouds gather over the ground, but it does not rain. Why?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 51
Why raindrops falling under gravity do not acquire high velocities?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 52
Why are machine parts jammed usually in winter?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 53
In which liquid, water or honey, the terminal velocity attained by an object will be smaller?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 54
A steel ball, a tennis ball and a plastic ball, all of the same size are dropped from a very high tower. Keeping in mind the viscosity and buoyancy of air, in which order they should reach the ground?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 55
Why a definite pressure difference is necessary to pass a liquid through a horizontal pipe at constant pressure?
MEDIUM
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 56
State Poiseuille's equation for the flow of a viscous fluid through a capillary tube.
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 14 - Fluid Dynamics>EXERCISE>Q 57
What are fluid current and the fluid resistance of a capillary tube for the flow of a viscous fluid through it? What is the relation between them?