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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Electromagnetic spectrum

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Electromagnetic spectrum

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Paper 3Theory (Core)1 marks

The electromagnetic spectrum consists of various types of radiation, each with different wavelengths and frequencies.

Description

Electromagnetic Spectrum

The electromagnetic spectrum includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays, arranged from longest to shortest wavelength.

  1. a

    Identify List the sections of the electromagnetic spectrum in order from longest wavelength to shortest wavelength.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Electromagnetic spectrum

Paper 3Theory (Core)2 marks

Description

Applications of the Electromagnetic Spectrum

Different sections of the electromagnetic spectrum are utilized in technologies such as communication, cooking, medical imaging, and sterilization.

  1. a

    Discuss Explain the applications of at least three sections of the electromagnetic spectrum.

    Aim for approximately 2 distinct marking points.

    [2]