Momentum and CollisionHard
Question
The ring of radius 1m is lying on the surface of liquid. It is lifted from the liquid surface by a force of 4 Newtons in such a way that the liquid film in it remains intact. The surface tension of liquid will be : -
Options
A.
N / m
N / mB.
N / m
N / mC.
N / m
N / mD.
N / m
N / m
N/mMore Momentum and Collision Questions
Water rises to a height of 16.3 cm in a capillary of height 18 cm above the water level. If the tube is cut at a height ...A man of 50 kg mass is standing in a gravity free space at a height of 10 m above the floor. He throiws a stone of 0.5 k...n drops of a liquid, each with surface energy E, joining to form a single drop...A cubical block of wood of side 10 cm floats at the interface between oil and water as shown in the figure with its lowe...Two capillary tubes of same length l and radii r and 2r are fitted to the bottom of a vessel with pressure head p in par...