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A-LevelPhysicsAstronomy and cosmology9702/12 · May/June 2018 · Q271 Mark

An astronomer observes the light from a star that is moving away from the Earth. For the observed light, what has been increased due to the star's motion?

Aamplitude
Bfrequency
Cspeed
Dwavelength

✓ Correct answer

D: wavelength

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About this question

Topic
Astronomy and cosmology, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, May/June 2018 Paper 1 Variant 2, question 27.

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