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Exam-style practice

Electromagnetic spectrum answer explanations

Review worked answers and explanations for Electromagnetic spectrum. Aligned to Cambridge IGCSE Physics.

Answer explanations

Question 1 of 20

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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.

    [1]