Cambridge IGCSE Physics practice

Paper 3 structured question: The Solar System

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

At a glance

Paper

Marks

Topic

The Solar System

Exam-style question

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Paper 3Theory (Core)3 marks

Calculating light travel time in the Solar System.

Description

Calculate the time it takes for light to travel from the Sun to Mars, which is approximately 2.28 x 10^11 meters away.

a
Calculate the time taken for light to travel from the Sun to Mars.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)2 marks

Description

The average distance from Earth to the Moon is about 3.84 x 10^8 meters. Calculate the time it takes for light to travel this distance.

a
Calculate the time taken for light to travel from Earth to the Moon.
Your answer
Aim for approximately 2 distinct marking points.
[2]