A beaker of radius 15cm is filled with a liquid of surface tension 0.075 N/m
A drop of oil is placed on the surface of water. Which of the following statement is correct
Soap helps in cleaning clothes, because
If temperature increases, the surface tension of a liquid
A pin or a needle floats on the surface of water, the reason for this is
On heating water, bubbles being formed at the bottom of the vessel detach and rise
A piece of ice is floating on water in a container
The spherical shape of rain-drop is due to
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