depth = 20 cm = 0.20 meter
Atmospheric pressure Patm is equivalent to what height of water?
anyway
pressure at depth h = Pd = Patm + density * g * h
P V = n R T
n, R and T are constant so P V is constant
Pd * 4 cm^3 = Patm * V
an air bubble of volume 4 cm cubic is formed 20 cm under water. what will be its volume when it rises to just below the surface of the water, if the atmospheric pressure is equivalent to a height of the water?
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