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7.2 The Universe and red-shift

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Question 4

A research team is assessing what each theory predicts an observer would see when looking at the Universe billions of years ago.

What does each theory predict that this observer would see?

[1]
A

Big Bang theory: the Universe looked hotter and more crowded; Steady State theory: the Universe looked much the same as today

B

Big Bang theory: the Universe was less dense; Steady State theory: the Universe was hotter and more crowded

C

Big Bang theory: the Universe looked hotter and more crowded; Steady State theory: its average density fell as it expanded

D

Big Bang theory: the Universe looked much the same as today; Steady State theory: the Universe looked hotter and more crowded

Markscheme

7.2 The Universe and red-shift Questions

  1. GCSE
  2. /Physics
  3. /7.2 The Universe and red-shift

94 exam-style questions on Edexcel GCSE Physics 7.2 The Universe and red-shift, covering 7.2.1 Big Bang and Steady State theories, 7.2.2 Evidence for the Big Bang, 7.2.3 The Doppler effect and red-shift, 7.2.4 Red-shift as evidence for an expanding Universe, and 7.2.5 The CMB and the accepted model. Each one has a worked solution and a mark scheme showing where the marks go.

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