EASY
11th West Bengal Board
IMPORTANT
Earn 100

Can a body attain terminal velocity when falling through vacuum?

Important Questions on Fluid Dynamics

EASY
11th West Bengal Board
IMPORTANT
How do clouds float in air?​​​​​​
EASY
11th West Bengal Board
IMPORTANT
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.
EASY
11th West Bengal Board
IMPORTANT
Often dense clouds gather over the ground, but it does not rain. Why?
EASY
11th West Bengal Board
IMPORTANT
Why raindrops falling under gravity do not acquire high velocities?
EASY
11th West Bengal Board
IMPORTANT
Why are machine parts jammed usually in winter?
EASY
11th West Bengal Board
IMPORTANT
In which liquid, water or honey, the terminal velocity attained by an object will be smaller?
EASY
11th West Bengal Board
IMPORTANT
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
Why a definite pressure difference is necessary to pass a liquid through a horizontal pipe at constant pressure?