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6.2 Stars and the Universe

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Question 10

Which statement about the Sun's classification and energy source is correct?

A

The Sun is a giant star that generates energy by the chemical combustion of hydrogen.

B

The Sun is a medium-sized star that generates energy by the nuclear fusion of hydrogen into helium.

C

The Sun is a medium-sized star that generates energy by the nuclear fission of uranium.

D

The Sun is a dwarf star that generates energy by the nuclear fusion of helium into carbon.

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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