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Astrophysics and cosmology

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Question 2

Which of the following shows the correct chronological sequence of cosmological events in the early Universe, from earliest to latest?

A

Quarks and leptons form →\rightarrow→ Hadrons form →\rightarrow→ Helium nuclei form →\rightarrow→ Neutral atoms form

B

Hadrons form →\rightarrow→ Quarks and leptons form →\rightarrow→ Helium nuclei form →\rightarrow→ Neutral atoms form

C

Quarks and leptons form →\rightarrow→ Helium nuclei form →\rightarrow→ Hadrons form →\rightarrow→ Neutral atoms form

D

Quarks and leptons form →\rightarrow→ Hadrons form →\rightarrow→ Neutral atoms form →\rightarrow→ Helium nuclei form

Markscheme

Astrophysics and cosmology Questions

  1. A Level
  2. /Physics
  3. /Astrophysics and cosmology

66 exam-style questions on OCR A A Level Physics Astrophysics and cosmology, covering Stars, Electromagnetic radiation from stars, and Cosmology. Each one has a worked solution and a mark scheme showing where the marks go.

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