A-Level PhysicsYear 2023Q9
page 08 9. A student makes the following statements about the emitted radiation from stellar objects. I The peak wavelength of emitted radiation is longer for hotter objects than for cooler objects. II A ‘blue’ star is likely to be hotter than a ‘red’ star. III The radiation emitted per unit surface area per unit time is greater for hotter objects. Which of these statements is/are correct? A I only B II only C III only D I and III only E II and III only
Paper Source:NH_Physics_Paper1-Multiple-choice_2023.pdf
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Exam Specification Info
This question is part of the UK A-Level Physics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectPhysics
Official MarksVariable (2–6 marks)