An ice-cube of density 900 kg/m3 is floating in water of density 1000 kg/m3. The percentage of volume ofice-cube outside the water is
20%
35%
10%
25%
C.
10%
The percentage of volume of ice cube outside the water is
=
=
= 10 %
A steam of a liquid of density ρ flowing horizontally with speed v rushes out of a tube of radius r and hits a vertical wall nearly normally. Assuming that the liquid does not rebound from the wall, the force exerted on the wall by the impact of the liquid is given by
A wide hose pipe is held horizontally by a fireman. It delivers water through a nozzle at one litre per second. On increasing the pressure. this increases to two litres per second. The firman has now to
A liquid is allowed into a tube of truncated cone shape. Identify the correct statement from the following.
Mercury boils at 367° C. However, mercury thermometers are made such that they can measure temperature upto 500°C. This is done by
Aerofils are so designed that the speed of air
If there were no gravity, which of the following will not be there for a fluid?
Mock Test Series
