P9 syllabus statements

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P9 syllabus statements

  1. 1. 02/06/14 P9 Electromagnetic Spectrum Syllabus statements
  2. 2. P9 Electromagnetic Spectrum 1. Describe the main features of the electromagnetic spectrum. 2. State the approximate value of the speed of all electromagnetic waves in vacuo.
  3. 3. P9 Electromagnetic Spectrum 3. Describe the role of electromagnetic waves in: • radio & television communications (radio waves) • satellite television and telephones (microwaves) • electrical appliances, remote controllers for televisions and intruder alarms (infrared) • medicine and security (X-rays). 4. Demonstrate understanding of safety issues regarding the use of microwaves and X-rays.

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