Physics GCSE
increase in wavelength
What increase in wavelength means in Physics GCSE, as defined for AQA.
Definition of increase in wavelength
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Reference: AQA
The observed change in light from most distant galaxies, where the light arrives with a longer wavelength than the same light would have if the galaxy were at rest.
Topics that use increase in wavelength
- Red-shift (physics only) (AQA GCSE)
Related terms
- absorption line spectra
- accelerating expansion
- dark energy
- dark mass and dark energy
- expanding universe
- measuring distance
- receding galaxies
- red end of the spectrum
Using increase in wavelength in the exam
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