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Cambridge IGCSE Physics practice

Paper 3 structured question: Electromagnetic spectrum

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Electromagnetic spectrum

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Paper 3Theory (Core)2 marks

Electromagnetic Spectrum

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Electromagnetic Spectrum Overview

The electromagnetic spectrum is divided into sections based on frequency and wavelength. Each section has unique properties and applications.

  1. a

    State two sections of the electromagnetic spectrum that are used in communication technologies.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Electromagnetic spectrum

Paper 3Theory (Core)1 marks

Description

Sections of the Electromagnetic Spectrum

The electromagnetic spectrum consists of various sections, each with different frequencies and wavelengths. The sections include radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

  1. a

    State the section of the electromagnetic spectrum with the longest wavelength.

    Aim for approximately 1 distinct marking point.

    [1]