Does the liquid exert any force on the walls of container?
Yes, liquid exerts pressure and hence force on the walls of the container due to the height of the column of liquid.
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A balloon filled with helium does not rise in air indefinitely but halts after a certain height. Why?
We have two barometers. One barometer contains mercury and second water. Which one will register more pressure? (Neglect the surface tension effect).
Explain why?
Hydrostatic pressure is a scalar quantity even though pressure is force divided by area.
Atmospheric pressure at a height of about 6 km decreases to nearly half its value at the sea level, though the height of the atmosphere is more than 100 km. Explain why.
