Cambridge IGCSE Physics practice

Paper 3 structured question: Electromagnetic spectrum

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

At a glance

Paper

Marks

Topic

Electromagnetic spectrum

Exam-style question

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Paper 3Theory (Core)3 marks

The role of satellites in communication.

Description

Low orbit satellites are used for various applications, while geostationary satellites provide stable communication links.

a
Explain the difference between low orbit and geostationary satellites.
Your answer
Aim for approximately 3 distinct marking points.
[3]

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Paper 3Theory (Core)1 marks

Description

Artificial satellites use microwaves for communication, including low orbit and geostationary satellites.

a
State the type of waves used for communication with artificial satellites.
Your answer
Aim for approximately 1 distinct marking point.
[1]