(a(i))[3]
Determine the total pressure at 5.0 m below the water surface.
(a(ii))[1]
Determine the pressure inside the gas bubble.
(b)[3]
Explain why the bubble moves up to the surface and why its volume gets larger as it rises.
Physics 0625 · IGCSE · Pressure
Pressure — practice question
On one specific day, the atmospheric pressure measures $1.0 \times 10^{5}\,\text{Pa}$. A gas bubble is produced at a location 5.0 m beneath the lake surface. The density of water is $1000\,\text{kg m}^{-3}$.