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Understand that cosmic microwave background radiation (CMBR) is microwave radiation of a specific frequency detected throughout space.

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Cambridge IGCSE PhysicsSpace physicsSupplement content

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Understand that cosmic microwave background radiation (CMBR) is microwave radiation of a specific frequency detected throughout space

  • This point belongs to The Universe, especially The Universe outcomes.
  • You need to be able to understand that cosmic microwave background radiation (CMBR) is microwave radiation of a specific frequency detected throughout space.
  • The key ideas to know are Know.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Paper 4 structured question: The Universe

Paper 4Theory (Extended)1 marks

Description

Cosmic Microwave Background Radiation

CMBR is detected uniformly across the universe and is characterized by a specific microwave frequency. It is considered a remnant of the Big Bang, providing insights into the early universe.

  1. a

    State the nature of CMBR.

    Aim for approximately 1 distinct marking point.

    [1]
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