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6.5 Uses and dangers of radioactivity

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Question 8

Deep within the core of a main-sequence star, hydrogen nuclei undergo thermonuclear fusion to form helium.

State one extreme physical condition that must exist within the stellar core to enable these positive nuclei to overcome their mutual electrostatic repulsion and undergo fusion.

[1]

Markscheme

6.5 Uses and dangers of radioactivity Questions

GCSE
Physics
6.5 Uses and dangers of radioactivity

94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity. Each one has a worked solution and a mark scheme showing where the marks go.

6.5 Uses and dangers of radioactivity

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6.5 Uses and dangers of radioactivity

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Question 8

Deep within the core of a main-sequence star, hydrogen nuclei undergo thermonuclear fusion to form helium.

State one extreme physical condition that must exist within the stellar core to enable these positive nuclei to overcome their mutual electrostatic repulsion and undergo fusion.

[1]

Markscheme

6.5 Uses and dangers of radioactivity Questions

GCSE
Physics
6.5 Uses and dangers of radioactivity

94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity. Each one has a worked solution and a mark scheme showing where the marks go.