This is a lesson and PowerPoint that covers general Doppler effect, Cosmological redshift, the Hubble constant and calculations of distance using red-shift of galaxies.
There are also three slides that explain how the Audacity software (Public Domain) can be used to measure the Doppler effect in the classroom. A ZIP file includes a copy of this software.
As well as supporting A-Level Physics for many exam boards this lesson is also part of a chapter that covers the optional astrophysics unit 9 for AQA
Note - Updates April 2017 (Typo in example question)
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