A series of free GCSE/IGCSE Physics Notes and Lessons.
Electromagnetic Waves
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.
Visible Light
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.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Electromagnetic Waves
Describe what is meant by the electromagnetic spectrum.
List the different waves in the electromagnetic spectrum in order of wavelength and frequency.
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.
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.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.