Cambridge IGCSE Physics practice

Paper 3 structured question: The Universe

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

At a glance

Paper

Marks

Topic

The Universe

Exam-style question

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Paper 3Theory (Core)1 marks

The light from distant galaxies shows a redshift.

Description

Astronomers have observed that the light from distant galaxies is redshifted, indicating they are moving away from us.

a
State the significance of redshift in relation to the Universe.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 3Theory (Core)3 marks

Description

Astronomers measure the redshift of light from various galaxies to understand their movement and the expansion of the Universe.

a
State how redshift supports the Big Bang Theory.
Your answer
Aim for approximately 2 distinct marking points.
[2]
b
Identify the relationship between redshift and distance of galaxies.
Your answer
Aim for approximately 1 distinct marking point.
[1]