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6.2.2a Galaxies and astronomical distances

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Question 10

Which process is the main source of energy in a stable main-sequence star?

A

Nuclear fission of uranium-235 into barium and krypton

B

Nuclear fusion of hydrogen nuclei to form helium nuclei

C

Nuclear fission of helium nuclei to produce hydrogen nuclei

D

Chemical combustion of hydrogen with oxygen to form water

Markscheme

6.2.2a Galaxies and astronomical distances Questions

  1. IGCSE
  2. /Physics
  3. /6.2.2a Galaxies and astronomical distances

25 exam-style questions on CIE IGCSE Physics 6.2.2a Galaxies and astronomical distances. Each one has a worked solution and a mark scheme showing where the marks go.

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