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8.2 Red-shift

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Question 7
H

A line in the spectrum of hydrogen has a wavelength of 486 nm when measured in a laboratory.

The same line is observed at 499 nm in the light from galaxy W and at 512 nm in the light from galaxy X.

What can be concluded?

[1]
A

Galaxy X is further away than galaxy W

B

Galaxy W is further away than galaxy X

C

Both galaxies are the same distance away

D

Galaxy X is moving towards the Earth

Markscheme

8.2 Red-shift Questions

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

41 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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