plumiBlack body radiation curves: Edexcel International A Level Physics questions
Edexcel International A Level Physics past-paper questions on 5.6.2.1 Black body radiation curves, 2019–2025, with mark schemes and examiner’s reports where available.
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Q19(c)(ii)
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All 4 questions on Black body radiation curves, as a list
- January 2025, Unit 5, Q19(c)(ii) (1 mark): Suggest why the actual power output of the bulb may be lower than the value calculated. (1)
- October 2024, Unit 5, Q3 (1 mark): The graph shows how intensity of radiation varies with wavelength for two stars, P and Q. Intensity P Q Wavelength Which of the following could be deduced from
- January 2024, Unit 5, Q9 (1 mark): The graphs show how the radiation intensity varies with wavelength for star X and star Y. The surface temperature of star X is TX and the surface temperature of
- June 2021, Unit 5, Q10 (1 mark): Two stars, X and Y, behave as black body radiators. The graphs show how the intensity I of radiation emitted varies with wavelength λ for the two stars. I X Y λ
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