Physics A-Level
Blue shift
What Blue shift means in Physics A-Level, as defined for OCR.
Definition of Blue shift
Check what you remember
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Reference: OCR
A source moving towards the observer has its wavelength compressed, producing a blue shift.
Topics that use Blue shift
- Cosmology (OCR A-Level)
Related terms
- Age of the universe
- Astronomical distance units
- Baseline
- Big Bang nucleosynthesis
- Big Bang theory
- Cosmic microwave background
- Cosmic microwave background radiation
- Cosmological redshift
Using Blue shift in the exam
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