Edexcel OLevel Physics Revision Note (Updated)

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Lesson

Lesson-20.1.2- describe evidence that supports the Big Bang theory (red-shift and cosmic microwave background (CMB) radiation).

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Lesson-20.1.1- describe the past evolution of the universe and the main arguments in favour of the Big Bang.Previous Lesson-20.1.3- describe that if a wave source is moving relative to an observer there will be a change in the observed frequency and wavelength.Next