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6.2.3a Galaxies and the scale of the Universe

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Question 13
a.

Name the galaxy to which our solar system belongs.

[1]
b.

State the main scientific theory for the origin of the universe which is supported by the cosmic microwave background radiation (CMBR).

[1]
c.

CMBR is detected coming from all directions in space.

At which stage in the history of the universe was this radiation produced?

[1]
d.

Explain how the expansion of space has affected the wavelength and frequency of this radiation since it was first emitted.

[2]
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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