Q.1.
The rain drops are in spherical shape due to
Q.2.
A square wire frame of size L is dipped in a liquid. On taking out, a ,embrane is formed. If the surface tension of liquid is T, force acting on the entire frame will be
Q.3.
The force required to seperate two glass plates of area 10-2m2 with a film of water 0.05mm thickness between them is (surface tension of water isx 10-3N/m)
Q.4.
8 mercury drops coalesce to form 1 mercury drop, the energy changes by a factor of
Q.5.
The force of attraction between the molecules of the same substance is called as
Q.6.
The surface tension of liquid decreases with a rise in
Q.7.
The force between two charges depends upon
Q.8.
Force depends on
Q.9.
The linear momentum depends upon
Q.10.
Wave is
Q.11.
Viscosity of fluid increases its speed will
Q.12.
Surface tension is equalto
Q.13.
Surface tension is the phenomenon happens in
Q.14.
The rise in the level of a liquid in a tube is h. If half the amount is poured outside, what will be the new rise in liquid level?
Q.15.
In which situation is work not being done?
Q.16.
What is the excess pressure inside a soap bubble of radius r
Q.17.
At critical temperature surface temperature is
Q.18.
Work done in blowing a soap bubble of radius r is
Q.19.
With the rise in temperature, surface tension
Q.20.
The molecules existing at One of the following experience unbalanced forces