As shown, a U-shaped glass tube holds a liquid with density $2000\,\text{kg m}^{-3}$. What is the pressure difference due to the liquid between levels P and Q?
- A$780\,\text{Pa}$
- B$1200\,\text{Pa}$
- C$1600\,\text{Pa}$
- D$2000\,\text{Pa}$
Physics 9702 · AS & A Level · Density and pressure