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6.2 Stars and the Universe

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Question 38

The table lists data about four different stars.

StarMain elements in the starRegions of the electromagnetic spectrum where most energy is radiated by the star
Ahydrogen, helium, carbon, oxygenultraviolet, blue, X-ray
Bhydrogen, heliumultraviolet, visible, infrared
Chydrogen, helium, magnesium, siliconred, infrared
Dhydrogen, heliumred, infrared

Which star is most likely a cool, low-mass red dwarf star (such as Proxima Centauri)?

A

Star A

B

Star B

C

Star C

D

Star D

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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