Physics · Oct / Nov 2019 · Paper 12 · Question 12
5054Pressure
The diagram shows three tubes P, Q and R. Each tube contains air trapped by a water column. Which statement is correct?
- AThe pressure of the trapped air is equal in tubes P, Q and R.
- BThe pressure of the trapped air is greatest in tube Q.
- CThe pressure of the trapped air is greatest in tube R.
- DThe pressure of the trapped air is greatest in tube P.
As printed in the paper
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Correct answer: A. The pressure of the trapped air is equal in tubes P, Q and R.
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