Edexcel OLevel Physics Revision Note (Updated)

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Lesson

Lesson-20.1.1- describe the past evolution of the universe and the main arguments in favour of the Big Bang.

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Lesson-18.1.6- use the relationship between orbital speed, orbital radius and time period: orbital speed = 2 ???? ??orbitalradius/time period v=2?? ???? r/TPrevious Lesson-20.1.2- describe evidence that supports the Big Bang theory (red-shift and cosmic microwave background (CMB) radiation).Next