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Stellar radii: CAIE A‑Level Physics questions

Every CAIE A-Level Physics exam question on 25.2 Stellar radii, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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Calculations

266 questions

  1. Q10(b)(i)

    June 2024 · Paper 4

    2 marks25.2 Stellar radii
    The whole paper ↗
    June 2024 Paper 4, question 10(b)(i): Calculate the luminosity of the Sun. Give a unit with your answer. luminosity = unit [2]

  2. Q10(b)(ii)

    June 2024 · Paper 4

    2 marks25.2 Stellar radii
    The whole paper ↗
    June 2024 Paper 4, question 10(b)(ii): Another star emits radiation that has a peak intensity at a wavelength of 624 nm. Determine the surface temperature of this star. surface temperature = K [2] [T

  3. Q12(b)(i)

    Specimen · Paper 4

    2 marks25.2 Stellar radii
    The whole paper ↗
    Specimen Paper 4, question 12(b)(i): Show that the surface temperature of the star in (a) is approximately 6700 K. Explain your reasoning. [2]

  4. Q12(b)(ii)

    Specimen · Paper 4

    2 marks25.2 Stellar radii
    The whole paper ↗
    Specimen Paper 4, question 12(b)(ii): Use the information in (a) and (b)(i) to determine the radius of the star. radius = m [2] [Total: 7]
All 4 questions on Stellar radii, as a list
  1. June 2024, Paper 4, Q10(b)(i) (2 marks): Calculate the luminosity of the Sun. Give a unit with your answer. luminosity = unit [2]
  2. June 2024, Paper 4, Q10(b)(ii) (2 marks): Another star emits radiation that has a peak intensity at a wavelength of 624 nm. Determine the surface temperature of this star. surface temperature = K [2] [T
  3. Specimen, Paper 4, Q12(b)(i) (2 marks): Show that the surface temperature of the star in (a) is approximately 6700 K. Explain your reasoning. [2]
  4. Specimen, Paper 4, Q12(b)(ii) (2 marks): Use the information in (a) and (b)(i) to determine the radius of the star. radius = m [2] [Total: 7]

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