Cambridge IGCSE Physics practice

Paper 4 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 4Theory (Extended)1 marks

Understanding the implications of the Hubble constant.

Description

The Hubble constant helps astronomers understand the expansion of the universe and its implications for the age of the universe.

a
State one implication of the Hubble constant for the universe.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 4Theory (Extended)1 marks

Description

The current estimate for the Hubble constant is approximately 18 × 10² per second, which indicates the rate of expansion of the universe.

a
State the current estimate for the Hubble constant.
Your answer
Aim for approximately 1 distinct marking point.
[1]