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6.2.3a Galaxies and the scale of the Universe

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Question 4

Which statement about the cosmic microwave background radiation (CMBR) is correct?

A

The temperature of the CMBR is increasing as the Universe expands.

B

CMBR now has a frequency lower than its frequency in the past.

C

CMBR was emitted before the Big Bang occurred.

D

The peak of the CMBR spectrum is currently in the visible light range.

Markscheme

6.2.3a Galaxies and the scale of the Universe Questions

  1. IGCSE
  2. /Physics
  3. /6.2.3a Galaxies and the scale of the Universe

59 exam-style questions on CIE IGCSE Physics 6.2.3a Galaxies and the scale of the Universe. Each one has a worked solution and a mark scheme showing where the marks go.

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