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7.2 The Universe and red-shift

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Question 12
F

An astronomer uses two observations.

P: Most distant galaxies show red-shift. Q: Microwave radiation is detected from all directions in space.

Which correctly links the observations to the Big Bang theory?

[1]
A

P supports expansion; Q supports a hot early Universe.

B

P supports cooling; Q supports continuous matter creation.

C

P supports contraction; Q supports a hot early Universe.

D

P supports expansion; Q supports continuous matter creation.

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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