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10(b)(ii)2 marks

Light from the Sun, which has a surface temperature of 5780 K, is observed to have a peak intensity at a wavelength of 501 nm. Another star emits radiation that has a peak intensity at a wavelength of 624 nm.

Determine the surface temperature of this star.

9702/41/M/J/24Cambridge International AS & A Level Physics 9702 · May/June 2024 · Paper 4 variant 1 · Question 10(b)(ii)

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Suggested time: 3 min