IB Physics C5 Definitions

This page contains our IB Physics definitions for C5. By learning each one of these definitions, you will fully cover the content for IB Physics 'Doppler effect'.

All Topic 3 Sub-topics C1: Simple Harmonics (HL)C1: Further simple harmonics C2: Wave Models C3: Wave Phenomena (HL)C3: Further wave phenomena C4: Standing Waves & Resonance C5: Doppler Effect (HL)C5: Further Doppler effects

Blue shift

It is the increase in frequency of light due to the moving closer of an observer or source

Red shift

It is the decrease in frequency of light due to the moving away of an observer or source

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