An absorption spectrum resulting from the passage of visible light from a star's surface through its hydrogen atmosphere is shown. Absorption lines are labelled
- Determine the surface temperature of the star. (2 marks)
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- Absorption line
originates from an electron transition between the second and sixth energy levels. Use to calculate the frequency of light absorbed to produce absorption line . (3 marks)
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- Explain the physical processes that produce an absorption spectrum. (3 marks)
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