AS Level Physics - 7.4 Electromagnetic Spectrum

**This Powerpoint specifically uses the Cambridge AS Level international Syllabus (9702) and covers all criteria for – Unit 7.4 Electromagnetic Spectrum
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1 state that all electromagnetic waves are transverse waves that travel with the same speed c in free space

2 recall the approximate range of wavelengths in free space of the principal regions of the electromagnetic spectrum from radio waves to γ-rays

3 recall that wavelengths in the range 400–700nm in free space are visible to the human eye

**Every Powerpoint includes learning objectives, a starter and plenary, suitable activities and review questions with mark scheme. We also provide a free pdf version of the file so it can easily be printed for students as a handout or uploaded to the school VLE system
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