A series of free GCSE/IGCSE Physics Notes and Lessons.
Describe what is meant by the electromagnetic spectrum.
List the different waves in the electromagnetic spectrum in order of wavelength and frequency.
Properties of Electromagnetic Waves
Describe how changes in atoms can take place when electromagnetic radiation is generated or absorbed.
Describe the hazards of ultraviolet, x-rays and gamma rays.
Explain how radio waves can be produced.
Uses of EM waves
Describe the uses of electromagnetic waves.
Explain why each type of electromagnetic wave is suitable for its uses.
Describe what is meant by specular and diffuse reflection.
Describe how the colour of an object depends on the wavelengths of light absorbed and reflected.
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