# 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. 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?

2. A manometer is connected to a gas supply.

Pressure can be measured in cm of water.

What is the pressure of the gas?

3. Which graph shows the relationship between the pressure and volume of a fixed mass of gas at constant temperature?

4. 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?

5. 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?

6. A gas occupies a volume of $2.0 \text{ m}^{3}$ in a cylinder at a pressure of 240 kPa. A piston compresses the gas until the volume is $0.50 \text{ m}^{3}$, the temperature remaining constant.

What is the new pressure of the gas?

7. A manometer is connected to a gas supply.

Pressure can be measured in cm of water.

What is the pressure of the gas?

8. If the pressure exerted on a floor by a box is 200 kPa, find the weight of the box, given that the bottom of the box has a contact area of 20 $cm^{2}$.

9. Four different liquids are poured into identical measuring cylinders. The diagrams show the depths of the liquids and their densities.

Which liquid causes the largest pressure on the base of its measuring cylinder?

10. The diagram shows a simple mercury barometer. Which height is a measure of the atmospheric pressure?

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### 15 thoughts on “Practice MCQs For Pressure”

1. Can anyone explain me that how the answer of mcq no7 is p/3

• idk either

2. how can i get the answers….

3. I think here, in question 9 the answer (a) shall be
5.0 x 10^-3
5.0 x 10^3

• Can you show how you arrive at $5.0 \times 10^{-3}$?

• its 5.0 x 10^4

4. physics

• same bro

5. How can i get the answers of this quiz

• @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.