Physics (AS & A Level) · Oct / Nov 2020 · Paper 11 · Question 14

One end of a U-shaped tube is attached to a gas tap, with its other end open to the atmosphere. It contains water of density 1000 kg m⁻³ and the heights of both sides of the water column are shown. The atmospheric pressure is 101 kPa. What is the pressure of the gas from the gas tap?

1. A99 kPa
2. B100 kPa
3. C102 kPa
4. D103 kPa

As printed in the paper