Physics · May / June 2019 · Paper 22 · Question 4
5054
As printed in the paper
The question as text
A star emits electromagnetic radiation over a range of wavelengths. Fig. 4.1 shows the brightness of the radiation from the star at different wavelengths. 1.0 × 10–6 2.0 × 10–6 3.0 × 10–6 4.0 × 10–6 wavelength / m 0 0 brightness Fig. 4.1 Radiation from the star is brightest at one wavelength.
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4(a)[1]
4(b)[1]
4(c)[3]
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