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Cambridge IGCSE Physics practice

Paper 4 structured question: Refraction of light

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Refraction of light

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Paper 4Theory (Extended)1 marks

Optical fibres are widely used in telecommunications to transmit data.

Description

Optical Fibres in Telecommunications

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

  1. a

    State one advantage of using optical fibres in telecommunications.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Refraction of light

Paper 4Theory (Extended)4 marks

Description

Impact of Optical Fibres

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

  1. a

    Explain how optical fibres improve telecommunications.

    Aim for approximately 4 distinct marking points.

    [4]