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Component 2 Electricity and the Universe

Quick questions on The expanding universe: redshift, Hubble's law and the Big Bang - Eduqas A-Level Physics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State Hubble's law. [1 mark]
What is q2?
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A spectral line at 500 nm500\ \text{nm} is redshifted by 10 nm10\ \text{nm}. Find the recession speed (c=3.0×108 m s−1c = 3.0 \times 10^{8}\ \text{m s}^{-1}). [2 marks]
What is q3?
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State one piece of evidence for the Big Bang. [1 mark]

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