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