Cambridge IGCSE Physics practice

Paper 4 structured question: The Sun as a star

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

The Sun as a star

Exam-style question

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Paper 4Theory (Extended)3 marks

In stable stars, hydrogen nuclei fuse to form helium nuclei, releasing energy.

Description

This process is essential for the stability and longevity of stars.

a
Explain how nuclear fusion contributes to the stability of a star.
Your answer
Aim for approximately 3 distinct marking points.
[3]

0 of 1 part answered

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Paper 4Theory (Extended)1 marks

Description

The Sun fuses hydrogen into helium in its core, releasing energy that powers the solar system.

a
State the process by which the Sun generates energy.
Your answer
Aim for approximately 1 distinct marking point.
[1]