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6.2 Stars and the Universe

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Question 35

Which statement about the Cosmic Microwave Background Radiation (CMBR) is correct?

A

The temperature of the CMBR has increased as the Universe expanded.

B

The CMBR has a longer wavelength now than when it was first emitted.

C

The CMBR was first detected as visible light.

D

The CMBR is only detected from specific point sources in the night sky.

Markscheme

6.2 Stars and the Universe Questions

  1. IGCSE
  2. /Physics
  3. /6.2 Stars and the Universe

104 exam-style questions on CIE IGCSE Physics 6.2 Stars and the Universe, covering 6.2.1 The Sun as a star, 6.2.2a Galaxies and astronomical distances, 6.2.2b The life cycle of a star, 6.2.3a Galaxies and the scale of the Universe, 6.2.3b Redshift, 6.2.3c The Big Bang Theory and cosmic microwave background radiation, and 6.2.3d The Hubble constant and the age of the Universe. Each one has a worked solution and a mark scheme showing where the marks go.

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