Physics: Electromagnetic Spectrum (Notes)
These notes are a bit detailed, but if you go through them I’m sure you’ll be able to understand the concept clearly.
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Here are the notes I had been preparing for you for the chapter on electromagnetic waves: Notes – Electromagnetic Spectrum
These notes are additional material for reading after you have gone through the chapter from the textbook. These notes should answer most of the questions some of you had raised after reading the textbook.