Physics · Oct / Nov 2017 · Paper 12 · Question 10
5054Pressure
The diagram shows a mercury manometer connected to a gas container. The density of mercury is 14 000 kg / m3. The gravitational field strength g is 10 N / kg. What is the pressure difference between the gas in the container and the atmosphere?
- A28 000 Pa
- B42 000 Pa
- C56 000 Pa
- D84 000 Pa
As printed in the paper
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Correct answer: C. 56 000 Pa
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