Practice MCQs For Pressure

This quiz contains practice questions for GCE ‘O’ level topic: Pressure. There are explanations for some of the questions after you submit the quiz. If you could not figure out why a particular option is the answer, feel free to drop a comment below or ask a question in ‘O’ & ‘A’ Level Discussion section of the forum. If you wish to contribute questions to this quiz, please contact us.

The quiz comprises of 10 questions, which are randomly selected from a large pool of questions. After completion, you can refresh the page and try the quiz again for a new set of 10 questions.

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1. The diagrams show, to the same scale, the vertical sections of a set of circular vessels, each containing the same depth of water.

Which one of the following statements is correct?
2. A gas is trapped inside a cylinder by a movable piston. The length of the gas column is 50 cm and the pressure inside the cylinder is p.

The piston is pushed in a distance of 30 cm, so that the length of the gas column is now 20 cm. The temperature of the gas does not change.

What is the new pressure of the gas?
3. The diagram shows a glass block resting on a table top.

The area of the block in contact with the table is X and the area of the table top is Y.

The weight of the block is P and the weight of the table is Q.

Which expression gives the pressure exerted on the table by the block?
4. Bubbles of gas, escaping from the mud at the bottom of a deep lake, rise to the surface.

As the bubbles rise, they get larger.

Why is this?
5. The diagram shows a manometer containing mercury that is sealed at one end.

manometer to top of mountainWhat happens to the distance h when the manometer is taken to the top of a mountain?
6. A brick of weight 80 N stands upright on the ground as shown.

pressure qn 1What is the pressure it exerts on the ground?
7. A block of wood measuring 5 m long, 4 m wide and 0.5 m thick is placed on a table. Find the pressure exerted on the table due to the block if the mass of the block is 4000 kg.
8. Which of the following does not affect the pressure beneath the surface of a liquid?
9. Which of the following will cause the height of the mercury column in a barometer, A, to be higher than  that of another barometer, B, located at sea level?
10. A manometer is connected to a gas supply.

Pressure can be measured in cm of water.

What is the pressure of the gas?


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18 thoughts on “Practice MCQs For Pressure”

  1. How The question no.6 answer is 2000 pascal?
    Its supposed to be 200 pascal, with the rule .
    = 4000/20

    How 2000?

    • @Aisha
      You have to answer the quiz and you will get the correct answers upon the submission of the answers you gave to the questions.

    • Click on “I am not a robot” which is at the bottom section of the page.
      Then click “Submit”.
      And the checked page will be opened.

  2. Would you kindly assist me in these questions i do not have enough information to tackle them and i am getting myself more confused.Thanks…


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