Cambridge IGCSE Physics practice

Paper 4 structured question: Refraction of light

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

At a glance

Paper

Marks

Topic

Refraction of light

Exam-style question

Try this first

Paper 4Theory (Extended)4 marks

The use of optical fibres has transformed the telecommunications industry.

Description

Optical fibres allow for faster data transmission and improved communication services.

a
Explain how optical fibres improve telecommunications.
Your answer
Aim for approximately 4 distinct marking points.
[4]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Flashcard 1 of 6

Press Space to flip, arrows to move

Paper 4Theory (Extended)1 marks

Description

Optical fibres transmit data as light pulses, allowing for high-speed communication.

a
State one advantage of using optical fibres in telecommunications.
Your answer
Aim for approximately 1 distinct marking point.
[1]