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Use of SI units and their prefixes: AQA A‑Level Physics questions

Every AQA A-Level Physics exam question on 3.1.1 Use of SI units and their prefixes, 2016–2025, with its mark scheme and examiner’s report.

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2,714 questions

  1. Q11

    June 2025 · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2025 Paper 1, question 11: A force F moves through a distance x in the direction of F. In which row is the work done by the force 1 J? [1 mark] F x A 1 mN 1 km B 100 kN 100 μm C 100 MN 10

  2. Q17

    June 2025 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2025 AS Paper 2, question 17: Which is not equivalent to the newton? [1 mark] A J m−1 B kg m s−2 C W s−2 D W s m−1

  3. Q03.3

    June 2024 · Paper 3A

    3 marks3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2024 Paper 3A, question 03.3: Deduce the fundamental base units for k. [3 marks] fundamental base units =

  4. Q34

    June 2024 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2024 AS Paper 2, question 34: Which row shows SI prefixes in order of increasing magnitude? [1 mark] Smallest Largest A f p μ c B f p c μ C p f μ c D p f c μ

  5. Q07

    June 2023 · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2023 Paper 1, question 07: [multiple choice] Which combination of an object’s speed and journey time gives a distance travelled of 1 mm? [1 mark] Speed Journey time A 10 μm s−1 100 s B 10

  6. Q07

    June 2022 · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2022 Paper 1, question 07: [multiple choice] Which two quantities have the base unit kg m2 s−2? [1 mark] A kinetic energy and momentum B kinetic energy and Young modulus C work done and t

  7. Q08

    June 2022 · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2022 Paper 1, question 08: Which gives SI prefixes in descending order of magnitude? [1 mark] A G p m B M G n C m n μ D m μ p

  8. Q07

    June 2022 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2022 AS Paper 2, question 07: Which row only contains SI fundamental base units? [1 mark] A A, kg, N, s B A, K, mol, s C C, kg, m, mol D J, K, m, s

  9. Q07

    November 2021 · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    November 2021 Paper 1, question 07: J

  10. Q08

    November 2021 · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    November 2021 Paper 1, question 08: Which is the shortest distance? [1 mark] A 10−19 Gm B 10−14 km C 10−4 µm D 107 fm

  11. Q02.4

    November 2021 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    November 2021 AS Paper 2, question 02.4: Deduce the fundamental base units for k. [1 mark] fundamental base units for k =

  12. Q07

    November 2020 · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    November 2020 Paper 1, question 07: Water waves of wavelength λ and wave speed v are related by v = k where k is a constant. What is a possible SI unit for k? [1 mark] A m s−2 B m s−1 C 3 2 m s−1

  13. Q05

    November 2020 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    November 2020 AS Paper 2, question 05: [multiple choice] Which row shows SI unit prefixes in order of smallest value to largest value? [1 mark] Smallest Largest A p n c μ B p n μ c C n p c μ D n p μ

  14. Q02.2

    June 2019 · Paper 3A

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2019 Paper 3A, question 02.2: It can be shown that 4 π 128 ghd Q L = where is the density of water g is the gravitational field strength is a property of the water called the coefficient of

  15. Q05

    June 2019 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2019 AS Paper 2, question 05: [multiple choice] Which quantities can be written in the fundamental units kg m–1 s–2? [1 mark] A Tensile stress and kinetic energy B The moment of a force and

  16. Q14

    June 2018 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2018 AS Paper 2, question 14: Which list puts the forces in order of increasing magnitude? [1 mark] A 2 pN < 2 fN < 2 TN < 2 GN B 2 pN < 2 fN < 2 GN < 2 TN C 2 fN < 2 pN < 2 TN < 2 GN D 2 fN

  17. Q33

    June 2018 · AS Paper 2

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    June 2018 AS Paper 2, question 33: Which is equivalent to the ohm? [1 mark] A J C−2 s−1 B J C−2 s C J s D J s−1

  18. Q07

    Specimen · Paper 1

    1 mark3.1.1 Use of SI units and their prefixes
    The whole paper ↗
    Specimen Paper 1, question 07: Only one answer per question is allowed. For each answer completely fill in the circle alongside the appropriate answer. If you want to change your answer you m
All 18 questions on Use of SI units and their prefixes, as a list
  1. June 2025, Paper 1, Q11 (1 mark): A force F moves through a distance x in the direction of F. In which row is the work done by the force 1 J? [1 mark] F x A 1 mN 1 km B 100 kN 100 μm C 100 MN 10
  2. June 2025, AS Paper 2, Q17 (1 mark): Which is not equivalent to the newton? [1 mark] A J m−1 B kg m s−2 C W s−2 D W s m−1
  3. June 2024, Paper 3A, Q03.3 (3 marks): Deduce the fundamental base units for k. [3 marks] fundamental base units =
  4. June 2024, AS Paper 2, Q34 (1 mark): Which row shows SI prefixes in order of increasing magnitude? [1 mark] Smallest Largest A f p μ c B f p c μ C p f μ c D p f c μ
  5. June 2023, Paper 1, Q07 (1 mark): [multiple choice] Which combination of an object’s speed and journey time gives a distance travelled of 1 mm? [1 mark] Speed Journey time A 10 μm s−1 100 s B 10
  6. June 2022, Paper 1, Q07 (1 mark): [multiple choice] Which two quantities have the base unit kg m2 s−2? [1 mark] A kinetic energy and momentum B kinetic energy and Young modulus C work done and t
  7. June 2022, Paper 1, Q08 (1 mark): Which gives SI prefixes in descending order of magnitude? [1 mark] A G p m B M G n C m n μ D m μ p
  8. June 2022, AS Paper 2, Q07 (1 mark): Which row only contains SI fundamental base units? [1 mark] A A, kg, N, s B A, K, mol, s C C, kg, m, mol D J, K, m, s
  9. November 2021, Paper 1, Q07 (1 mark): J
  10. November 2021, Paper 1, Q08 (1 mark): Which is the shortest distance? [1 mark] A 10−19 Gm B 10−14 km C 10−4 µm D 107 fm
  11. November 2021, AS Paper 2, Q02.4 (1 mark): Deduce the fundamental base units for k. [1 mark] fundamental base units for k =
  12. November 2020, Paper 1, Q07 (1 mark): Water waves of wavelength λ and wave speed v are related by v = k where k is a constant. What is a possible SI unit for k? [1 mark] A m s−2 B m s−1 C 3 2 m s−1
  13. November 2020, AS Paper 2, Q05 (1 mark): [multiple choice] Which row shows SI unit prefixes in order of smallest value to largest value? [1 mark] Smallest Largest A p n c μ B p n μ c C n p c μ D n p μ
  14. June 2019, Paper 3A, Q02.2 (1 mark): It can be shown that 4 π 128 ghd Q L = where is the density of water g is the gravitational field strength is a property of the water called the coefficient of
  15. June 2019, AS Paper 2, Q05 (1 mark): [multiple choice] Which quantities can be written in the fundamental units kg m–1 s–2? [1 mark] A Tensile stress and kinetic energy B The moment of a force and
  16. June 2018, AS Paper 2, Q14 (1 mark): Which list puts the forces in order of increasing magnitude? [1 mark] A 2 pN < 2 fN < 2 TN < 2 GN B 2 pN < 2 fN < 2 GN < 2 TN C 2 fN < 2 pN < 2 TN < 2 GN D 2 fN
  17. June 2018, AS Paper 2, Q33 (1 mark): Which is equivalent to the ohm? [1 mark] A J C−2 s−1 B J C−2 s C J s D J s−1
  18. Specimen, Paper 1, Q07 (1 mark): Only one answer per question is allowed. For each answer completely fill in the circle alongside the appropriate answer. If you want to change your answer you m

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