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8.2 Red-shift

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Question 22

The same spectral line has a wavelength of 500 nm when measured in a laboratory. Its wavelengths in light from two galaxies are shown below.

GalaxyWavelength of spectral line
A512 nm
B536 nm
a.

Calculate the increase in wavelength for the spectral line from each galaxy.

[2]
b.

Compare the distance of galaxy A from the Earth with the distance of galaxy B from the Earth. Explain your answer.

[2]
Markscheme

8.2 Red-shift Questions

  1. GCSE
  2. /Physics
  3. /8.2 Red-shift

79 exam-style questions on AQA GCSE Physics 8.2 Red-shift, covering 8.2 Red-shift. Each one has a worked solution and a mark scheme showing where the marks go.

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