Lesson 4.3.3.3

4.3.3.3 Increasing the pressure of a gas (physics only) (HT only) Quiz: AQA Physics, Unit 3

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.3.3.3, Increasing the pressure of a gas (physics only) (HT only): 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 3: Particle model of matter, written with Revision Ninja.

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The 20 questions

  1. How is work best defined in physics?

    • Force multiplied by time
    • Power divided by speed
    • Energy transfer by force
    • Energy stored in matter

  2. What happens to the internal energy of a gas when work is done on it?

    • Decreases
    • Becomes zero
    • Stays constant
    • Increases

  3. Which example best demonstrates work being done on a gas?

    • Gas expanding freely
    • Heating a container
    • Pushing a piston
    • Cooling a cylinder

  4. The unit of work is the joule. One joule is equal to:

    • 1 newton-metre
    • 1 newton per metre
    • 1 newton-second
    • 1 kilogram-metre per second

  5. A force of 50 N moves a piston through 0.02 m, doing work on the gas. How much work is done?

    • 0.4 J
    • 1.0 J
    • 25 J
    • 2.5 J

  6. A pump does 3 J of work on trapped air with no energy lost from it. The internal energy of the air:

    • Increases by 3 J
    • Stays the same
    • Decreases by 3 J
    • Increases by 0.3 J

  7. A student pushes a piston with a force of 40 N through 0.05 m, compressing a gas. What work is done on the gas?

    • 0.002 J
    • 20 J
    • 0.8 J
    • 2 J

  8. What is a direct effect of doing work on an enclosed gas?

    • Decreased density
    • Lowered internal energy
    • Decreased mass
    • Increased temperature

  9. A gas is compressed with 12 J of work done on it, and its internal energy then falls by 4 J because of energy lost. What is the overall change in internal energy?

    • 4 J increase
    • 12 J decrease
    • 16 J increase
    • 8 J increase

  10. What happens to the average kinetic energy of gas particles when internal energy rises during compression?

    • It increases
    • Drops to zero
    • Stays the same
    • It decreases

  11. Which quantity is measured in newton-metres?

    • Acceleration
    • Work done
    • Pressure
    • Density

  12. A pump does work on a gas with a force of 80 N through a distance of 0.10 m. How much work is done on the gas?

    • 80 J
    • 0.8 J
    • 8 N
    • 8 J

  13. Which energy transfer occurs when using a pump to compress a gas?

    • Chemical to gravitational
    • Thermal to kinetic
    • Electrical to thermal
    • Muscles to internal energy

  14. Which equation calculates work done by a force?

    • Force divided by area
    • Force multiplied by distance
    • Pressure multiplied by time
    • Mass multiplied by velocity

  15. Why does a gas increase in temperature when compressed rapidly?

    • Particle mass increases
    • Friction with walls
    • Work done on gas
    • Heat added from outside

  16. What causes the internal energy of an enclosed gas to increase?

    • Cooling the container
    • Expanding the volume
    • Lowering the pressure
    • Work done on gas

  17. A force of 5 N moves a load through 3 m. The work done is:

    • 15 N
    • 15 J
    • 8 J
    • 1.7 J

  18. Which equivalent units allow work done to be converted directly in calculations?

    • Newtons and kilograms
    • Joules and newton-metres
    • Joules and volts
    • Joules and watts

  19. How does the total energy of a gas change when a piston compresses it?

    • Energy stays constant
    • Energy becomes zero
    • Energy decreases
    • Energy increases

  20. A student does 6 J of work on a gas and the gas stores all of it as internal energy. How much work is done on the gas?

    • 3 J
    • 6 J
    • 12 J
    • 0 J

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